Concept:ECOWAS is a West African regional organisation created to promote economic integration and cooperation among member states.
Explanation:West African leaders met in Lagos, Nigeria, in May
1975 to discuss regional cooperation.
That meeting was chaired by Nigeria’s then Head of State, General Yakubu Gowon.
At the end of the meeting, the leaders signed the Treaty of Lagos.
This treaty officially formed the Economic Community of West African States, ECOWAS.
Gowon was the leader in office at the time the community was established.
The other options refer to leaders who were not in power during that period.
Answer:A. Yakubu Gowon