19. What was a result of the raid on Harpers Ferry in 1859? O A. Increased tensions between North and South
O B. A successful slave revolt
© C. A victory for the Confederacy
D. An easing of tensions between North and South

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.

according to worldatlas.com, the u.s. has an 86% literacy rate.

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explanation:

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