Contrary to long-held notions that gunpowder weapons technologies were devised in the West and gradually transmitted eastward into Asia, more recent scholarship indicates that innovations flowed in both directions. Scholars have also come to recognize that there was no uniformity in the ways that states implemented gunpowder weapons, and that multiple factors relating to environment, demographics, and cultural preferences informed decisions about when and how to embrace the new technology. The major Asian agrarian states of the Ottomans, Safavids, and Mughals (the so-called Gunpowder Empires) and the Ming and Qing dynasties in China implemented gunpowder weapons differently. The Ottomans were the most aggressive in this regard, the Mughals preferred a hybrid force, and the Safavids long favored cavalry. Chinese militaries employed hybrid forces to great effect, but in later years a lengthy peace during the Qing era slowed the implementation of new technologies. In Central Asia and other places where rulers could rely on large numbers of well-trained, fast-moving mounted archers and a nearly endless supply of horses, they found little reason to rush to embrace what for several centuries represented an expensive, slow, and unreliable technology.