Who did most of the arduous work of planting, hoeing, and picking the

Who did most of the arduous work of planting, hoeing, and picking the cotton that was grown in the rich new territory known then as the Old Southwest?

A) African slaves
B) white settlers who purchased large parcels of land in this region
C) indentured servants and free black Americans hired by these white settlers
D) free white labor hired and contracted by these white settlers

ANSWER
Answer: A