The document summarizes the triangular slave trade that operated between Europe, Africa, and the Americas from the 16th to 19th centuries. It describes how slaves were transported on the Middle Passage from Africa to the Americas in terrible conditions aboard crowded ships, where disease was rampant and millions of slaves died during the journey. The African kingdoms that engaged in the slave trade, such as Dahomey and Asante, grew wealthy but it devastated Africa by depopulating the continent and removing its resources and people.