The awnser is D : to fill the need for workers on sugar plantations
there to be sold to work on coffee, tobacco, cocoa, sugar, and cotton plantations, gold and silver mines, rice fields, the construction industry, cutting timber for ships, as skilled labour, and as domestic servants.The Atlantic slave trade developed after trade contacts were established between the "Old World" (Afro-Eurasia) and the "New World" (the Americas). Slavery was prevalent in many parts of Africa for many centuries before the beginning of the Atlantic slave trade.
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