Answer:Tobacco and cotton proved to be exceptionally profitable. Because these crops required large areas of land, the plantations grew in size, and in turn, more slaves were required to work on the plantations. ... Thus, the wealthy landowners got wealthier, and the use of slave labor increased.
Explanation: Hope i helped you out~! And have an GREAT DAY~!! <\3
If there was a graph, it would be more helpful, but I believe the answer would be A. If you could provide the graph, I would correct myself if I am mistaken.