<P> The Economic Community of West African States ( ECOWAS ) was created by the Treaty of Lagos on May 28 , 1975 , in Lagos , Lagos State , Nigeria . ECOWAS was established to promote cooperation and integration in order to create an economic and monetary union for promoting economic growth and development in West Africa . </P>
the lagos treaty of may 28th 1975 led to the formation of the
Economic Community of West African States ( ECOWAS )