As analysis of the revenue available to Qing garrisons in Xinjiang reveals, imperial control over the region in the eighteenth and nineteenth centuries depended upon sizeable yearly subsidies from China. In an effort to satisfy criticism of their expansion into Xinjiang and make the territory pay for itself, the Qing court permitted local authorities great latitude in fiscal matters and encouraged the presence of Han and Chinese Muslim merchants. At the same time, the court recognized the potential for unrest posed by Chinese mercantile penetration of this Muslim, Turkic-speaking area. They...