Why did the Spanish and Portuguese bring Blacks from Africa to Latin America?

During the Atlantic slave trade, Latin America was the main destination of millions of African people transported from Africa to French, Portuguese, and Spanish colonies. Slavery's legacy is the presence of large Afro-Latino populations.

After the gradual emancipation of most black slaves, slavery continued along the Pacific coast of South America throughout the 19th century, as Peruvian slave traders kidnapped Polynesians, primarily from the Marquesas Islands and Easter Island and forced them to perform physical labour in mines and in the guano industry of Peru and chile

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