SAT Subject US History Practice Question 7: Answer and Explanation
3. The success of Southern plantations led to the increase of which of the following?
A. The African slave trade
B. Indentured servitude
C. Intercolonial trade
D. The building of cities
E. Trade with the Native Americans
Correct Answer: A
The success of Southern plantations meant that a plentiful pool of cheap labor was needed. Indentured servants did not suffice because they eventually became free and bought farms of their own. Therefore, the plantation owners established a system of African slavery.