How did the spread of disease in the Americas affect the transatlantic slave trade?

A.
European diseases killed many of the people forced into slavery before they reached the Americas, leading to a decrease in the transatlantic slave trade.

B.
Indigenous diseases killed many Europeans and caused them to abandon plantations in the tropics, leading to a decrease in the transatlantic slave trade.

C.
Indigenous diseases killed many of the people that Europeans brought to the Americas as slaves, leading to an increase in the transatlantic slave trade.

D.
European diseases killed much of the indigenous population that Europeans forced into slavery, leading to an increase in the transatlantic slave trade.

no clue ;.