 As a member of the Economic Community of West African States (ECOWAS), the Gambia has played an active role in that organization's efforts to resolve the Liberian Civil War and contributed troops to the community's cease-fire monitoring group (ECOMOG).It also has sought to mediate disputes in nearby Guinea-Bissau and the neighbouring Casamance region of Senegal.The People's Republic of China, Cuba, Libya, Nigeria, Senegal, Sierra Leone, the United Kingdom, and the United States of America have embassies or High Commissions in the Gambia.