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.