The Colonists went to Africa and the West Indies to get slaves and make them work on plantations. They carried lots of slaves on ships across the Atlantic, many people died.
They went to Africa and places like Barbados and Antiqua to get slaves to work the lang in North America (The New World). They used them to work in fields planting things like rice. These cash crops made South Carolina lots of money.
The Middle Passage used the slaves that survived to work on plantations. This made the colonist wealthy . Slaves were traded and goods (weapons. food from different areas, plants, people) were traded.