Study the Niger River and the relationship of the vegetation zones of the forest, Savannah, and desert to trade in gold, salt, food, and slaves; and the growth of the Ghana and Mali Empires.
West Africa had 3 vegetation zone.grassland ,savanna, and desert.Niger river was one of the biggest and largest river in Africa. The people in Savannah had grass land had gold and desert had salt ,so they traded.The growth of Mali empire was from the southern part of Africa. This empire was found by Malkine also known as Sundiata. Sundiata ruled for 25 years and had a huge army. He died at the year of 1260.