In the subregion of west africa, which north-south distinction does not apply?

West Africa is also known as Western Africa. The northern section of west africa of semi arid terrain known as Sahel, a transitional zone between the savannahs and western sudan . Forest from a belt between the savannas and the southern coasts.The Atlantic ocean forms the western as well as the southern borders of the western african region.

Answergranulation;

Answer accretion;