Emerging in the tenth century, for 10 points what was this collection of seven city states in what is now Nigeria and Chad?
The quasi-mythological progenitor of this historico-political entity was given the nickname "The Man on the Ass" by Ibn Khaldun; that father of the founders of this entity was said to be a prince from Iraq named Bayajida, or Abu Yazid. Folklore asserts that Bayajida legitimized his right to rule in the city of Daura by killing a snake called Sarki, leading that name to be applied to later rulers of this polity. This kingdom's birane, or walled cities, were described as surrounded by walls of 25-60 feet by Englishman Hugh Clapperton, who visited the remains of this polity in 1826 after it had been subsumed by the Sokoto Caliphate. Emerging in the tenth century, for 10 points what was this collection of seven city states in what is now Nigeria and Chad?
The quasi-mythological progenitor of this historico-political entity was given the nickname "The Man on the Ass" by Ibn Khaldun;
{Hausa} States