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Spanning countries across the globe, the antinuclear movement was the combined effort of millions of people to challenge the superpowers’ reliance on nuclear weapons during the Cold War. Encompassing an array of tactics, from radical dissent to public protest to opposition within the government, this movement succeeded in constraining the arms race and helping to make the use of nuclear weapons politically unacceptable. Antinuclear activists were critical to the establishment of arms control treaties, although they failed to achieve the abolition of nuclear weapons, as anticommunists, national security officials, and proponents of nuclear deterrence within the United States and Soviet Union actively opposed the movement. Opposition to nuclear weapons evolved in tandem with the Cold War and the arms race, leading to a rapid decline in antinuclear activism after the Cold War ended.

Article

Radio debuted as a wireless alternative to telegraphy in the late 19th century. At its inception, wireless technology could only transmit signals and was incapable of broadcasting actual voices. During the 1920s, however, it transformed into a medium primarily identified as one used for entertainment and informational broadcasting. The commercialization of American broadcasting, which included the establishment of national networks and reliance on advertising to generate revenue, became the so-called American system of broadcasting. This transformation demonstrates how technology is shaped by the dynamic forces of the society in which it is embedded. Broadcasting’s aural attributes also engaged listeners in a way that distinguished it from other forms of mass media. Cognitive processes triggered by the disembodied voices and sounds emanating from radio’s loudspeakers illustrate how listeners, grounded in particular social, cultural, economic, and political contexts, made sense of and understood the content with which they were engaged. Through the 1940s, difficulties in expanding the international radio presence of the United States further highlight the significance of surrounding contexts in shaping the technology and in promoting (or discouraging) listener engagement with programing content.

Article

Chemical and biological weapons represent two distinct types of munitions that share some common policy implications. While chemical weapons and biological weapons are different in terms of their development, manufacture, use, and the methods necessary to defend against them, they are commonly united in matters of policy as “weapons of mass destruction,” along with nuclear and radiological weapons. Both chemical and biological weapons have the potential to cause mass casualties, require some technical expertise to produce, and can be employed effectively by both nation states and non-state actors. U.S. policies in the early 20th century were informed by preexisting taboos against poison weapons and the American Expeditionary Forces’ experiences during World War I. The United States promoted restrictions in the use of chemical and biological weapons through World War II, but increased research and development work at the outset of the Cold War. In response to domestic and international pressures during the Vietnam War, the United States drastically curtailed its chemical and biological weapons programs and began supporting international arms control efforts such as the Biological and Toxin Weapons Convention and the Chemical Weapons Convention. U.S. chemical and biological weapons policies significantly influence U.S. policies in the Middle East and the fight against terrorism.

Article

By the end of the 19th century, the medical specialties of gynecology and obstetrics established a new trend in women’s healthcare. In the 20th century, more and more American mothers gave birth under the care of a university-trained physician. The transition from laboring and delivering with the assistance of female family, neighbors, and midwives to giving birth under medical supervision is one of the most defining shifts in the history of childbirth. By the 1940s, the majority of American mothers no longer expected to give birth at home, but instead traveled to hospitals, where they sought reassurance from medical experts as well as access to pain-relieving drugs and life-saving technologies. Infant feeding followed a similar trajectory. Traditionally, infant feeding in the West had been synonymous with breastfeeding, although alternatives such as wet nursing and the use of animal milks and broths had existed as well. By the early 20th century, the experiences of women changed in relation to sweeping historical shifts in immigration, urbanization, and industrialization, and so too did their abilities and interests in breastfeeding. Scientific study of infant feeding yielded increasingly safer substitutes for breastfeeding, and by the 1960s fewer than 1 in 5 mothers breastfed. In the 1940s and 1950s, however, mothers began to organize and to resist the medical management of childbirth and infant feeding. The formation of childbirth education groups helped spread information about natural childbirth methods and the first dedicated breastfeeding support organization, La Leche League, formed in 1956. By the 1970s, the trend toward medicalized childbirth and infant feeding that had defined the first half of the century was in significant flux. By the end of the 20th century, efforts to harmonize women’s interests in more “natural” motherhood experiences with the existing medical system led to renewed interest in midwifery, home birth, and birth centers. Despite the cultural shift in favor of fewer medical interventions, rates of cesarean sections climbed to new heights by the end of the 1990s. Similarly, although pressures on mothers to breastfeed mounted by the end of the century, the practice itself increasingly relied upon the use of technologies such as the breast pump. By the close of the century, women’s agency in pursuing more natural options proceeded in tension with the technological, social, medical, and political systems that continued to shape their options.

Article

Daniel Pope

Nuclear power in the United States has had an uneven history and faces an uncertain future. Promising in the 1950s electricity “too cheap to meter,” nuclear power has failed to come close to that goal, although it has carved out approximately a 20 percent share of American electrical output. Two decades after World War II, General Electric and Westinghouse offered electric utilities completed “turnkey” plants at a fixed cost, hoping these “loss leaders” would create a demand for further projects. During the 1970s the industry boomed, but it also brought forth a large-scale protest movement. Since then, partly because of that movement and because of the drama of the 1979 Three Mile Island accident, nuclear power has plateaued, with only one reactor completed since 1995. Several factors account for the failed promise of nuclear energy. Civilian power has never fully shaken its military ancestry or its connotations of weaponry and warfare. American reactor designs borrowed from nuclear submarines. Concerns about weapons proliferation stymied industry hopes for breeder reactors that would produce plutonium as a byproduct. Federal regulatory agencies dealing with civilian nuclear energy also have military roles. Those connections have provided some advantages to the industry, but they have also generated fears. Not surprisingly, the “anti-nukes” movement of the 1970s and 1980s was closely bound to movements for peace and disarmament. The industry’s disappointments must also be understood in a wider energy context. Nuclear grew rapidly in the late 1960s and 1970s as domestic petroleum output shrank and environmental objections to coal came to the fore. At the same time, however, slowing economic growth and an emphasis on energy efficiency reduced demand for new power output. In the 21st century, new reactor designs and the perils of fossil-fuel-caused global warming have once again raised hopes for nuclear, but natural gas and renewables now compete favorably against new nuclear projects. Economic factors have been the main reason that nuclear has stalled in the last forty years. Highly capital intensive, nuclear projects have all too often taken too long to build and cost far more than initially forecast. The lack of standard plant designs, the need for expensive safety and security measures, and the inherent complexity of nuclear technology have all contributed to nuclear power’s inability to make its case on cost persuasively. Nevertheless, nuclear power may survive and even thrive if the nation commits to curtailing fossil fuel use or if, as the Trump administration proposes, it opts for subsidies to keep reactors operating.

Article

Contagious diseases have long posed a public health challenge for cities, going back to the ancient world. Diseases traveled over trade routes from one city to another. Cities were also crowded and often dirty, ideal conditions for the transmission of infectious disease. The Europeans who settled North America quickly established cities, especially seaports, and contagious diseases soon followed. By the late 17th century, ports like Boston, New York, and Philadelphia experienced occasional epidemics, especially smallpox and yellow fever, usually introduced from incoming ships. Public health officials tried to prevent contagious diseases from entering the ports, most often by establishing a quarantine. These quarantines were occasionally effective, but more often the disease escaped into the cities. By the 18th century, city officials recognized an association between dirty cities and epidemic diseases. The appearance of a contagious disease usually occasioned a concerted effort to clean streets and remove garbage. These efforts by the early 19th century gave rise to sanitary reform to prevent infectious diseases. Sanitary reform went beyond cleaning streets and removing garbage, to ensuring clean water supplies and effective sewage removal. By the end of the century, sanitary reform had done much to clean the cities and reduce the incidence of contagious disease. In the 20th century, public health programs introduced two new tools to public health: vaccination and antibiotics. First used against smallpox, scientists developed vaccinations against numerous other infectious viral diseases and reduced their incidence substantially. Finally, the development of antibiotics against bacterial infections in the mid-20th century enabled physicians to cure infected individuals. Contagious disease remains a problem—witness AIDS—and public health authorities still rely on quarantine, sanitary reform, vaccination, and antibiotics to keep urban populations healthy.

Article

Energy systems have played a significant role in U.S. history; some scholars claim that they have determined a number of other developments. From the colonial period to the present, Americans have shifted from depending largely on wood and their own bodies, as well as the labor of draft animals; to harnessing water power; to building steam engines; to extracting fossil fuels—first coal and then oil; to distributing electrical power through a grid. Each shift has been accompanied by a number of other striking changes, especially in the modern period associated with fossil fuels. By the late 19th century, in part thanks to new energy systems, Americans were embracing industrialization, urbanization, consumerism, and, in a common contemporary phrase, “the annihilation of space and time.” Today, in the era of climate change, the focus tends to be on the production or supply side of energy systems, but a historical perspective reminds us to consider the consumption or demand side as well. Just as important as the striking of oil in Beaumont, Texas, in 1901, was the development of new assumptions about how much energy people needed to sustain their lives and how much work they could be expected to do. Clearly, Americans are still grappling with the question of whether their society’s heavy investment in coal- and petroleum-based energy systems has been worthwhile.

Article

Rachel Rothschild

The development of nuclear technology had a profound influence on the global environment following the Second World War, with ramifications for scientific research, the modern environmental movement, and conceptualizations of pollution more broadly. Government sponsorship of studies on nuclear fallout and waste dramatically reconfigured the field of ecology, leading to the widespread adoption of the ecosystem concept and new understandings of food webs as well as biogeochemical cycles. These scientific endeavors of the atomic age came to play a key role in the formation of environmental research to address a variety of pollution problems in industrialized countries. Concern about invisible radiation served as a foundation for new ways of thinking about chemical risks for activists like Rachel Carson and Barry Commoner as well as many scientists, government officials, and the broader public. Their reservations were not unwarranted, as nuclear weapons and waste resulted in radioactive contamination of the environment around nuclear-testing sites and especially fuel-production facilities. Scholars date the start of the “Anthropocene” period, during which human activity began to have substantial effects on the environment, variously from the beginning of human farming roughly 8,000 years ago to the emergence of industrialism in the 19th century. But all agree that the advent of nuclear weapons and power has dramatically changed the potential for environmental alterations. Our ongoing attempts to harness the benefits of the atomic age while lessening its negative impacts will need to confront the substantial environmental and public-health issues that have plagued nuclear technology since its inception.

Article

Over the course of the 19th century, American cities developed from small seaports and trading posts to large metropolises. Not surprisingly, foodways and other areas of daily life changed accordingly. In 1800, the dietary habits of urban Americans were similar to those of the colonial period. Food provisioning was very local. Farmers, hunters, fishermen, and dairymen from a few miles away brought food by rowboats and ferryboats and by horse carts to centralized public markets within established cities. Dietary options were seasonal as well as regional. Few public dining options existed outside of taverns, which offered lodging as well as food. Most Americans, even in urban areas, ate their meals at home, which in many cases were attached to their workshops, countinghouses, and offices. These patterns changed significantly over the course of the19th century, thanks largely to demographic changes and technological developments. By the turn of the 20th century, urban Americans relied on a food-supply system that was highly centralized and in the throes of industrialization. Cities developed complex restaurant sectors, and majority immigrant populations dramatically shaped and reshaped cosmopolitan food cultures. Furthermore, with growing populations, lax regulation, and corrupt political practices in many cities, issues arose periodically concerning the safety of the food supply. In sum, the roots of today’s urban food systems were laid down over the course of the 19th century.

Article

The eighty years from 1790 to 1870 were marked by dramatic economic and demographic changes in the United States. Cities in this period grew faster than the country as a whole, drawing migrants from the countryside and immigrants from overseas. This dynamism stemmed from cities’ roles as spearheads of commercial change and sites of new forms of production. Internal improvements such as canals and railroads expanded urban hinterlands in the early republic, while urban institutions such as banks facilitated market exchange. Both of these worked to the advantage of urban manufacturers. By paying low wages to workers performing repetitive tasks, manufacturers enlarged the market for their products but also engendered opposition from a workforce internally divided along lines of sex and race, and at times slavery and freedom. The Civil War affirmed the legitimacy of wage labor and enhanced the power of corporations, setting the stage for the postwar growth of large-scale, mechanized industry.

Article

Mass transit has been part of the urban scene in the United States since the early 19th century. Regular steam ferry service began in New York City in the early 1810s and horse-drawn omnibuses plied city streets starting in the late 1820s. Expanding networks of horse railways emerged by the mid-19th century. The electric streetcar became the dominant mass transit vehicle a half century later. During this era, mass transit had a significant impact on American urban development. Mass transit’s importance in the lives of most Americans started to decline with the growth of automobile ownership in the 1920s, except for a temporary rise in transit ridership during World War II. In the 1960s, congressional subsidies began to reinvigorate mass transit and heavy-rail systems opened in several cities, followed by light rail systems in several others in the next decades. Today concerns about environmental sustainability and urban revitalization have stimulated renewed interest in the benefits of mass transit.

Article

Urban water supply and sewage disposal facilities are critical parts of the urban infrastructure. They have enabled cities and their metropolitan areas to function as centers of commerce, industry, entertainment, and human habitation. The evolution of water supply and sewage disposal systems in American cities from 1800 to 2015 is examined, with a focus on major turning points especially in regard to technological decisions, public policy, and environmental and public health issues.

Article

The development of military arms harnessing nuclear energy for mass destruction has inspired continual efforts to control them. Since 1945, the United States, the Soviet Union, the United Kingdom, France, the People’s Republic of China (PRC), Israel, India, Pakistan, North Korea, and South Africa acquired control over these powerful weapons, though Pretoria dismantled its small cache in 1989 and Russia inherited the Soviet arsenal in 1996. Throughout this period, Washington sought to limit its nuclear forces in tandem with those of Moscow, prevent new states from fielding them, discourage their military use, and even permit their eventual abolition. Scholars disagree about what explains the United States’ distinct approach to nuclear arms control. The history of U.S. nuclear policy treats intellectual theories and cultural attitudes alongside technical advances and strategic implications. The central debate is one of structure versus agency: whether the weapons’ sheer power, or historical actors’ attitudes toward that power, drove nuclear arms control. Among those who emphasize political responsibility, there are two further disagreements: (1) the relative influence of domestic protest, culture, and politics; and (2) whether U.S. nuclear arms control aimed first at securing the peace by regulating global nuclear forces or at bolstering American influence in the world. The intensity of nuclear arms control efforts tended to rise or fall with the likelihood of nuclear war. Harry Truman’s faith in the country’s monopoly on nuclear weapons caused him to sabotage early initiatives, while Dwight Eisenhower’s belief in nuclear deterrence led in a similar direction. Fears of a U.S.-Soviet thermonuclear exchange mounted in the late 1950s, stoked by atmospheric nuclear testing and widespread radioactive fallout, which stirred protest movements and diplomatic initiatives. The spread of nuclear weapons to new states motivated U.S. presidents (John Kennedy in the vanguard) to mount a concerted campaign against “proliferation,” climaxing with the 1968 Treaty on the Non-Proliferation of Nuclear Weapons (NPT). Richard Nixon was exceptional. His reasons for signing the Strategic Arms Limitation Treaty (SALT I) and Anti-Ballistic Missile Treaty (ABM) with Moscow in 1972 were strategic: to buttress the country’s geopolitical position as U.S. armed forces withdrew from Southeast Asia. The rise of protest movements and Soviet economic difficulties after Ronald Reagan entered the Oval Office brought about two more landmark U.S.-Soviet accords—the 1987 Intermediate Ballistic Missile Treaty (INF) and the 1991 Strategic Arms Reduction Treaty (START)—the first occasions on which the superpowers eliminated nuclear weapons through treaty. The country’s attention swung to proliferation after the Soviet collapse in December 1991, as failed states, regional disputes, and non-state actors grew more prominent. Although controversies over Iraq, North Korea, and Iran’s nuclear programs have since erupted, Washington and Moscow continued to reduce their arsenals and refine their nuclear doctrines even as President Barack Obama proclaimed his support for a nuclear-free world.

Article

Michael E. Donoghue

The United States’ construction and operation of the Panama Canal began as an idea and developed into a reality after prolonged diplomatic machinations to acquire the rights to build the waterway. Once the canal was excavated, a century-long struggle ensued to hold it in the face of Panamanian nationalism. Washington used considerable negotiation and finally gunboat diplomacy to achieve its acquisition of the Canal. The construction of the channel proved a titanic effort with large regional, global, and cultural ramifications. The importance of the Canal as a geostrategic and economic asset was magnified during the two world wars. But rising Panamanian frustration over the U.S. creation of a state-within-a-state via the Canal Zone, one with a discriminatory racial structure, fomented a local movement to wrest control of the Canal from the Americans. The explosion of the 1964 anti-American uprising drove this process forward toward the 1977 Carter-Torrijos treaties that established a blueprint for eventual U.S. retreat and transfer of the channel to Panama at the century’s end. But before that historic handover, the Noriega crisis and the 1989 U.S. invasion nearly upended the projected transition of U.S. retreat from the management and control of the Canal. Early historians emphasized high politics, economics, and military considerations in the U.S. acquisition of the Canal. They concentrated on high-status actors, economic indices, and major political contingencies in establishing the U.S. colonial order on the isthmus. Panamanian scholars brought a legalistic and nationalist critique, stressing that Washington did not create Panama and that local voices in the historical debate have largely been ignored in the grand narrative of the Canal as a great act of progressive civilization. More recent U.S. scholarship has focused on American imperialism in Panama, on the role of race, culture, labor, and gender as major factors that shaped the U.S. presence, the structure of the Canal Zone, as well as Panamanian resistance to its occupation. The role of historical memory, of globalization, representation, and how the Canal fits into notions of U.S. empire have also figured more prominently in recent scholarly examination of this relationship. Contemporary research on the Panama Canal has been supported by numerous archives in the United States and Panama, as well as a variety of newspapers, magazines, novels, and films.

Article

According to David Ramsay, one of the first historians of the American Revolution, “in establishing American independence, the pen and press had merit equal to that of the sword.” Because of the unstable and fragile notions of unity among the thirteen American colonies, print acted as a binding agent that mitigated the chances that the colonies would not support one another when war with Britain broke out in 1775. Two major types of print dealt with the political process of the American Revolution: pamphlets and newspapers. Pamphlets were one of the most important conveyors of ideas during the imperial crisis. Often written by elites under pseudonyms and published by booksellers, they have long been held by historians as the lifeblood of the American Revolution. There were also three dozen newspaper printers in the American mainland colonies at the start of the Revolution, each producing a four-page issue every week. These weekly papers, or one-sheet broadsides that appeared in American cities even more frequently, were the most important communication avenue to keep colonists informed of events hundreds of miles away. Because of the structure of the newspaper business in the 18th century, the stories that appeared in each paper were “exchanged” from other papers in different cities, creating a uniform effect akin to a modern news wire. The exchange system allowed for the same story to appear across North America, and it provided the Revolutionaries with a method to shore up that fragile sense of unity. It is difficult to imagine American independence—as a popular idea let alone a possible policy decision—without understanding how print worked in colonial America in the mid-18th century.

Article

Albert Churella

Since the early 1800s railroads have served as a critical element of the transportation infrastructure in the United States and have generated profound changes in technology, finance, business-government relations, and labor policy. By the 1850s railroads, at least in the northern states, had evolved into the nation’s first big businesses, replete with managerial hierarchies that in many respects resembled the structure of the US Army. After the Civil War ended, the railroad network grew rapidly, with lines extending into the Midwest and ultimately, with the completion of the first transcontinental railroad in 1869, to the Pacific Coast. The last third of the 19th century was characterized by increased militancy among railroad workers, as well as by the growing danger that railroading posed to employees and passengers. Intense competition among railroad companies led to rate wars and discriminatory pricing. The presence of rebates and long-haul/short-haul price differentials led to the federal regulation of the railroads in 1887. The Progressive Era generated additional regulation that reduced profitability and discouraged additional investment in the railroads. As a result, the carriers were often unprepared for the traffic demands associated with World War I, leading to government operation of the railroads between 1917 and 1920. Highway competition during the 1920s and the economic crises of the 1930s provided further challenges for the railroads. The nation’s railroads performed well during World War II but declined steadily in the years that followed. High labor costs, excessive regulatory oversight, and the loss of freight and passenger traffic to cars, trucks, and airplanes ensured that by the 1960s many once-profitable companies were on the verge of bankruptcy. A wave of mergers failed to halt the downward slide. The bankruptcy of Penn Central in 1970 increased public awareness of the dire circumstances and led to calls for regulatory reform. The 1980 Staggers Act abolished most of the restrictions on operations and pricing, thus revitalizing the railroads.

Article

The tall building—the most popular and conspicuous emblem of the modern American city—stands as an index of economic activity, civic aspirations, and urban development. Enmeshed in the history of American business practices and the maturation of corporate capitalism, the skyscraper is also a cultural icon that performs genuine symbolic functions. Viewed individually or arrayed in a “skyline,” there may be a tendency to focus on the tall building’s spectacular or superlative aspects. Their patrons have searched for the architectural symbols that would project a positive public image, yet the height and massing of skyscrapers were determined as much by prosaic financial calculations as by symbolic pretense. Historically, the production of tall buildings was linked to the broader flux of economic cycles, access to capital, land values, and regulatory frameworks that curbed the self-interests of individual builders in favor of public goods such as light and air. The tall building looms large for urban geographers seeking to chart the shifting terrain of the business district and for social historians of the city who examine the skyscraper’s gendered spaces and labor relations. If tall buildings provide one index of the urban and regional economy, they are also economic activities in and of themselves and thus linked to the growth of professions required to plan, finance, design, construct, market, and manage these mammoth collective objects—and all have vied for control over the ultimate result. Practitioners have debated the tall building’s external expression as the design challenge of the façade became more acute with the advent of the curtain wall attached to a steel frame, eventually dematerializing entirely into sheets of reflective glass. The tall building also reflects prevailing paradigms in urban design, from the retail arcades of 19th-century skyscrapers to the blank plazas of postwar corporate modernism.

Article

Since the social sciences began to emerge as scholarly disciplines in the last quarter of the 19th century, they have frequently offered authoritative intellectual frameworks that have justified, and even shaped, a variety of U.S. foreign policy efforts. They played an important role in U.S. imperial expansion in the late 19th and early 20th centuries. Scholars devised racialized theories of social evolution that legitimated the confinement and assimilation of Native Americans and endorsed civilizing schemes in the Philippines, Cuba, and elsewhere. As attention shifted to Europe during and after World War I, social scientists working at the behest of Woodrow Wilson attempted to engineer a “scientific peace” at Versailles. The desire to render global politics the domain of objective, neutral experts intensified during World War II and the Cold War. After 1945, the social sciences became increasingly central players in foreign affairs, offering intellectual frameworks—like modernization theory—and bureaucratic tools—like systems analysis—that shaped U.S. interventions in developing nations, guided nuclear strategy, and justified the increasing use of the U.S. military around the world. Throughout these eras, social scientists often reinforced American exceptionalism—the notion that the United States stands at the pinnacle of social and political development, and as such has a duty to spread liberty and democracy around the globe. The scholarly embrace of conventional political values was not the result of state coercion or financial co-optation; by and large social scientists and policymakers shared common American values. But other social scientists used their knowledge and intellectual authority to critique American foreign policy. The history of the relationship between social science and foreign relations offers important insights into the changing politics and ethics of expertise in American public policy.

Article

The Soviet Union’s successful launch of the first artificial satellite Sputnik 1 on October 4, 1957, captured global attention and achieved the initial victory in what would soon become known as the space race. This impressive technological feat and its broader implications for Soviet missile capability rattled the confidence of the American public and challenged the credibility of U.S. leadership abroad. With the U.S.S.R.’s launch of Sputnik, and then later the first human spaceflight in 1961, U.S. policymakers feared that the public and political leaders around the world would view communism as a viable and even more dynamic alternative to capitalism, tilting the global balance of power away from the United States and towards the Soviet Union. Reactions to Sputnik confirmed what members of the U.S. National Security Council had predicted: the image of scientific and technological superiority had very real, far-reaching geopolitical consequences. By signaling Soviet technological and military prowess, Sputnik solidified the link between space exploration and national prestige, setting a course for nationally funded space exploration for years to come. For over a decade, both the Soviet Union and the United States funneled significant financial and personnel resources into achieving impressive firsts in space, as part of a larger effort to win alliances in the Cold War contest for global influence. From a U.S. vantage point, the space race culminated in the first Moon landing in July 1969. In 1961, President John F. Kennedy proposed Project Apollo, a lunar exploration program, as a tactic for restoring U.S. prestige in the wake of Soviet cosmonaut Yuri Gagarin’s spaceflight and the failure of the Bay of Pigs invasion. To achieve Kennedy’s goal of sending a man to the Moon and returning him safely back to Earth by the end of the decade, the United States mobilized a workforce in the hundreds of thousands. Project Apollo became the most expensive government funded civilian engineering program in U.S. history, at one point stretching to more than 4 percent of the federal budget. The United States’ substantial investment in winning the space race reveals the significant status of soft power in American foreign policy strategy during the Cold War.

Article

Timothy James LeCain

Technology and environmental history are both relatively young disciplines among Americanists, and during their early years they developed as distinctly different and even antithetical fields, at least in topical terms. Historians of technology initially focused on human-made and presumably “unnatural” technologies, whereas environmental historians focused on nonhuman and presumably “natural” environments. However, in more recent decades, both disciplines have moved beyond this oppositional framing. Historians of technology increasingly came to view anthropogenic artifacts such as cities, domesticated animals, and machines as extensions of the natural world rather than its antithesis. Even the British and American Industrial Revolutions constituted not a distancing of humans from nature, as some scholars have suggested, but rather a deepening entanglement with the material environment. At the same time, many environmental historians were moving beyond the field’s initial emphasis on the ideal of an American and often Western “wilderness” to embrace a concept of the environment as including humans and productive work. Nonetheless, many environmental historians continued to emphasize the independent agency of the nonhuman environment of organisms and things. This insistence that not everything could be reduced to human culture remained the field’s most distinctive feature. Since the turn of millennium, the two fields have increasingly come together in a variety of synthetic approaches, including Actor Network Theory, envirotechnical analysis, and neomaterialist theory. As the influence of the cultural turn has waned, the environmental historians’ emphasis on the independent agency of the nonhuman has come to the fore, gaining wider influence as it is applied to the dynamic “nature” or “wildness” that some scholars argue exists within both the technological and natural environment. The foundational distinctions between the history of technology and environmental history may now be giving way to more materially rooted attempts to understand how a dynamic hybrid environment helps to create human history in all of its dimensions—cultural, social, and biological.