A. Nigeria, Ghana, Gambia and Liberia
B. Cameroon, Togo, Egypt and Ghana
C. Sierra Leone, Gambia, Nigeria and Ghana
D. Nigeria, Ghana, Senegal and South Africa

Correct Answer: Option C

C. Sierra Leone, Gambia, Nigeria and Ghana

Explanation

Cameroon was a German colony; Togo and Senegal French colonies while Liberia was never a colony.

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