Oyo Empire tsetse fly. Cavalry was the long arm of the Oyo Empire. Late 16th and 17th century expeditions were composed entirely of cavalry. There were drawbacks to this. Oyo could not maintain its cavalry army in the south but could raid at will. Cavalry in highly developed societies such as Oyo was divided into light and heavy. Heavy cavalry on larger imported horses was armed with heavy thrusting lances or spears and also with swords. Light cavalry on smaller indigenous ponies was armed with throwing spears or bows. Infantry in the region around the Oyo Empire was uniform in both armor
Oyo Empire the Alaafin of Oyo was supreme overlord of the people, he was not without checks on his power. The Oyo Mesi and the Yoruba Earth cult known as Ogboni kept the Oba's power in check. The Oyo Mesi spoke for the politicians while The Ogboni spoke for the people backed by the power of religion. The power of the Alaafin of Oyo in relation to the Oyo Mesi and Ogboni depended on his personal character and political shrewdness. The Oyo Mesi were seven principal councilors of the state. They constituted the Electoral Council and possessed legislative powers, similar to today's