Confederalism was once practised in
Nigeria and Ghana
Senegal and The Gambia
Mali and Cole d'lvoire
Ghana and Benin
Correct answer is B
Senegambia, officially the Senegambia Confederation, was a loose confederation in the late 20th century between the West African countries of Senegal and its neighbour The Gambia, which is almost completely surrounded by Senegal. The confederation was founded on 1 February 1982 following an agreement between the two countries signed on 12 December 1981.