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
Yoruba people Africa. The historical Yoruba develop "in situ", out of earlier Mesolithic Volta-Niger populations, by the 1st millennium BCE. Oral history recorded under the Oyo Empire derives the Yoruba as an ethnic group from the population of the older kingdom of Ile-Ife. The Yoruba were the dominant cultural force in southern Nigeria as far back as the 11th century. The Yoruba are among the most urbanized people in Africa. For centuries before the arrival of the British colonial administration most Yoruba already lived in well structured urban centres organized around powerful city-states ("Ìlú") centred around the residence of the "Oba". In