1. Ghana has been a WTO member since January 1, 1995 and a member of GATT since;Abdourahmane El Hadji;West Africa's New Common External Tariff and the Individual WTO Commitments of ECOWAS Member States: No Insurmountable Incompatibilities, 1 BRIDGES AFR,1957
2. stating that Nigeria has been deeply involved in the economic development of West Africa by sponsoring or cosponsoring the formation of new regional organizations);J R See;GLOBAL STRATEGY,2015