Answer:
C. ethnicity and wealth
Step-by-step explanation:
During colonialism in Africa, European powers strategically chose and installed certain Africans as the governing elite to help maintain control over the local population. These elites were often from a different ethnic group and class than the majority of the population and were granted privileges and power that further separated them from the rest of the population. This divide-and-rule tactic was employed in order to weaken potential resistance to colonial rule.