Concept:ECOMOG is the peacekeeping and security arm of ECOWAS for the West African sub-region.Explanation:ECOMOG was created by the Economic Community of West African States (ECOWAS) mainly to maintain peace, security, and stability in West Africa. It was first deployed to intervene in the Liberian civil war in 1990.Its goal was not to cover the whole of Africa or handle piracy, but to resolve conflicts and restore order within West Africa.Answer:A. foster stability in West Africa