The two divisions included East African, Ghanaian, Nigerian, and South African troops. The Ghanaian and Nigerian troops came from the Royal West African Frontier Force. Under the terms of a war contingency plan, a brigade each was provided from the Gold Coast (now Ghana) and from Nigeria for service in Kenya. A Nigerian brigade, together with two East African brigades (the KAR brigades) and some South Africans, formed the 11th African Division. The 12th African Division was similarly formed, but with the Ghanaian brigade instead of the Nigerian brigade.