Which of the following statements describes rational use of national forests? a. only large businesses should be allowed to harvest trees in national forests. b. there should be no restrictions on the land. c. national forests should be protected to make the best use of the nation's natural resources. d. national forests should ban lumbering completely.

answer; i believe that the correct answer is (tobacco);

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.

explanation:

before eli whitney's invention of the cotton gin, picking and cleaning cotton was a slow, labor-intensive job. workers, usually slaves, had to pick the seeds from the cotton fibers by hand. this invention made it possible to grow large amounts of cotton on big farms and make money.