Which region is marked with the letter B?
A map of Africa divided into 6 regions. 4 regions are labeled A, B, C, and D. Region A has countries Madagascar, Rwanda, Tanzania, and Kenya. Region B has the Democratic Republic of the Congo, Angola, Cameroon, and Chad. Region C has Nigeria, Niger, Liberia, and Mali. Region D has Egypt, Algeria, and Libya.
Which region is marked with the letter B?
Southern Africa
Central Africa
West Africa
North Africa