After invading Tunisia in 1881, the French installed a protectorate in which they shared power with the Tunisian ruling dynasty and, due to the dynasty’s treaties with other European powers, with some of their imperial rivals. This «indirect» form of colonization was intended to prevent the violent clashes marking France’s outright annexation of neighboring Algeria. But as Mary Dewhurst Lewis shows in <i>Divided Rule</i>, France’s method of governance in Tunisia actually created a...