Question

Probably the main reason Africans, rather than Native Americans, became slaves in America was that

A. Africans were already adapted to slavery.
B. Indians passed North American diseases to the Europeans.
C. Indians were unable to master the work required of slaves.
D. Africans and Europeans shared immunities to Old World diseases

Answer 1

Probably the main reason Africans, rather than Native Americans, became slaves in America was that "A. Africans were already adapted to slavery," since the slave trade was already vibrant in Africa.