Why did the atlantic slave trade from africa begin?

European powers needed African workers for their sugar plantations.

Explanation:

Europeans realized that Africans were more resistant to disease and, because of this, better workers on their colonial plantations and mines than Native Americans. To obtain enslaved Africans, European powers started the Atlantic slave trade with domains in West Africa. In the early 1500s, the Spanish and Portuguese began this trade to supply workers for their sugar plantations in the Americas.

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