Answer:The three other slave trades -- the trans-Saharan, Red Sea, and Indian Ocean slave trades -- are much older and predate the trans-Atlantic slave trade. During the trans-Saharan slave trade, slaves were taken from south of the Saharan desert and shipped to Northern Africa
Explanation:
The Atlantic slave trade. A main cause of the trade was the colonies that European countries were starting to develop. In America, for instance, which was a colony of England, there was a demand for many labourers for the sugar, tobacco and cotton plantations.