Voluntary associations are attested already in early republican times, but they became important especially during the late Republic. Their role in street politics in the 1st century
Article
Koenraad Verboven
Article
Jeffrey Kaplan
The wave theory refers to the “Four Waves of Modern Terrorism,” which was published in 2004 by David C. Rapoport, Professor Emeritus at the University of California Los Angeles and a founding editor of the journal Terrorism & Political Violence. Wave theory made a unique contribution to the study of terrorism by positing a generational model that linked contemporaneous global terrorist groups based on their shared characteristics of ideology/theology, strategy/tactics, and visions for the future. Although wave theory is focused on the modern period, from the late 19th century to the present day, it is built on a thorough grounding of the history of terrorism, which dates from the 1st century ad.