Why were southern and caribbean colonies most dependent on slave labor?

Their climate and soil were suited to large farms.

Explanation:

apex

indigenous people north and south were displaced, died of disease, and were killed by europeans through slavery, rxpe, and war. in 1491, about 145 million people lived in the western hemisphere. by 1691, the population of indigenous americans had declined by 90-95 percent, or by around 130 million people."

d. it spread christianity. i just took the test and got it right.