Following the launching of jihad against Sarkin Gobir and other Hausa chiefs by Uthman dan Fodio, a renowned Muslim reformer, Yola became one of the focal points for Uthmans Movement south of the Lake Chad region. The leader was Modibbo Adama (1809-1847) and the emirate he formed was called Adamawa. The study analyses the factors which came into play in the creation and maintenance of the emirate out of a vast array of segmented units of authority. By the middle of the 19th century, Europeans started visiting the region in a general drive to abolish slave trade from its sources and substitute...