The Black Flags raided their way from southern China into northern Vietnam, competing during the second half of the nineteenth century against other armed migrants and uplands communities for the control of commerce, specifically opium, and natural resources, such as copper. At the edges of three empires (the Qing empire in China, the Vietnamese empire governed by the Nguyen dynasty, and, eventually, French Colonial Vietnam), the Black Flags and their rivals sustained networks of power and...
