Oyo Empire spilling of blood. The leader of the Ogboni, the Oluwo, had the unqualified right of direct access to the Alaafin of Oyo on any matter. There was a high degree of professionalism in the army of the Oyo Empire. Its military success was due in large part to its cavalry as well as the leadership and courage of Oyo officers and warriors. Because its main geographic focus was north of the forest, Oyo enjoyed easier farming and thus a steady growth in population. This contributed to Oyo's ability to consistently field a large force. There was also an entrenched military
Oyo Empire layer of the empire was composed of the towns closest to Oyo-Ile, which were recognized as brothers. This area was south of metropolitan Oyo, and its Yoruba inhabitants spoke different dialects from that of Oyo. These tributary states were led by their own rulers, titled Obas, who were confirmed by the Alaafin of Oyo. The empire's third layer was the Egbado Corridor southwest of Yorubaland. This area was inhabited by the Egba and Egbado, and guaranteed Oyo's trade with the coast. The Egba and Egbado tributaries were allowed, like their Yoruba counterparts, to rule themselves. They were, however, supervised by