What changes occurred in the United States as a result of the cotton gin?

"While it was true that the cotton gin reduced the labor of removing seeds, it did not reduce the need for slaves to grow and pick the cotton. In fact, the opposite occurred. Cotton growing became so profitable for the planters that it greatly increased their demand for both land and slave labor." I found this on https://www.archives.gov so it's not my answer. I hope this helps and all credit of the answer to Archives-.

Explanation:

the real answer is b