1. According to the document above, what are millets?

a cereal grass

Explanation:

noun. a cereal grass, Setaria italica, extensively cultivated in the East and in southern Europe for its small seed, or grain, used as food for humans and fowls, but in the U.S. grown chiefly for fodder. any of various related or similar grasses cultivated as grain plants or forage plants.

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.