2Geographic Features 2nd largest continent Niger River- this allowed civilizations to grow in sub-Saharan Africa
3Africa’s 4 RegionsSahara- the farthest north. The world’s largest desert.Sahel- divides the desert from wetter areas. It has enough vegetation to support hardy grazing animals.Savannah- or open grass with scattered trees. Grazing animals are common there.Rain forest- densely wooded forest. This area receives a lot of rain and many plants and animals are here.
4West Africa’s Resources CropsGoldSalt-very valuable because everyone needed salt to live and to preserve food.Salt and gold were traded equally for each other.