French West Africa with the exception of the Senegalese Communes, the administrative structure of French rule at the lower levels remained constant, based upon the Cercle system. This was the smallest unit of French political administration in French colonial Africa that was headed by a European officer. They might range in size, but French Sudan (modern Mali) consisted of less than a dozen Cercles for most of its existence. Thus, a Cercle Commander might be the absolute authority over hundreds of thousands of Africans. A Cercle consisted of several cantons, each of which in turn consisted of several villages, and was almost universal
History of Sudan 19th century, and established a province [[Equatoria]] in southern Sudan to further this aim, it was unable to establish effective control over the area. In the later years of the Turkiyah, [[United Kingdom|British]] missionaries traveled from modern-day [[Kenya]] into the Sudan to convert the local tribes to Christianity. [[File:1875 slave merchant Khartoum.jpeg|thumb|200px|A typical slave merchant of Khartoum, 1875]] In 1881, a religious leader named [[Muhammad Ahmad]] proclaimed himself the [[Mahdi]] ("guided one") and began a war to unify the tribes in western and central Sudan. His followers took the name "[[Ansar (Sudan)|Ansar]]s" ("followers") which they continue to use today, in