A. New Partnership for Africa’s Development (NEPAD)
B. Organization of African Unity (OAU)
C. Economic Community of West African States (ECOWAS)
D. Organization of Petroleum Exporting Countries (OPEC)
Correct Answer: Option B
B. Organization of African Unity (OAU)
Explanation
In the wake of the call for the decolonisation of Africa, Nigeria actively contributed to the formation of the OAU for a solidarity movement in that direction.