Which of the following spearheaded the transformation of the Organization of African Unity into the African Union?

Nigeria’s membership of the ECOWAS is informed by her desire to___________

Which of the following is not a problem faced by ECOWAS 

State five obstacles to the implementation of the Economic Community of West African States (ECOWAS) aims and objectives.

Outline any five contribution of Nigeria towards the growth of Economic Community of West African States (ECOWAS)