We also tend to forget the roots of African slavery. It began in the 1500s by the British.

Check this out —

“three-legged trade routes between Africa, New England, and the lands of Central America and the Caribbean, generally referred to as the triangular trade. The “triangular trade” was not a specific trade route, but a model for economic exchange among three markets.

A triangular trade among Europe, West Africa and the New World is probably the best known….”

PBS.org