Geography of Ivory Coast southern region, especially the southwest, is covered with dense tropical moist forest. The Eastern Guinean forests extend from the Sassandra River across the south-central and southeast portion of Ivory Coast and east into Ghana, while the Western Guinean lowland forests extend west from the Sassandra River into Liberia and southeastern Guinea. The mountains of Dix-Huit Montagnes region, in the west of the country near the border with Guinea and Liberia, are home to the Guinean montane forests. The Guinean forest-savanna mosaic belt extends across the middle of the country from east to west, and is the transition zone between the
British West Africa colonial banking often disadvantaged the colonies as producers of commodities. Even after its final dissolution, a single currency, the British West African pound, was in effect throughout the region—including Nigeria—from 1907 to 1962. Nigeria gained independence in 1960. Sierra Leone was self-governing by 1958 and gained independence in 1961. Gambia gained independence in 1965. In 1954, the British Gold Coast was allowed by Britain to self-govern and in 1957, the Gold Coast was given independence from Britain, under the name Ghana. British West Africa British West Africa was the collective name for British colonies in West Africa during the colonial