Concept:Ibadan’s rise in the 19th century was driven by its military dominance in the Yoruba region.Explanation:After the fall of the old Oyo Empire, Ibadan became a powerful warrior state.Its leaders built a strong army and used military conquest to expand their influence.Strategic alliances and military strength allowed Ibadan to dominate rival Yoruba groups.Trade routes and education were not the primary reasons for its rise.There was no significant gold discovery in Ibadan during this period.Answer:C. The military prowess of its leaders