How did the triangular trade benefit Europeans?

Triangular Trade was a system in which slaves, crops, and manufactures were traded between Africa, the Caribbean, and the American colonies

The Triangular trade allowed the Europeans to both Strengthen their American colonies, and benefit in wealth as the America's became more wealthy, and they sold things to Africa, got slaves sent to america, etc.

3 G's, God, Gold, and glory. This one is Gold.