The highest organ of the Economic Community of West African States (ECOWAS) is the
Council of Ministers
Secretariat
Tribunal
Authority of Heads of State and Government
Correct answer is D
ECOWAS consists of the Authority of Heads of State and Government, the Council of Ministers, the Community Tribunal, Community Court of Justice, the Executive Secretariat the ECOWAS Parliament, and the Specialised Commissions.
The Authority of Heads of State and Government is the highest organ of the commission