Separating people in public places based on their ethnic background/skin color is known as what?
O Separation
O Segregation
O Differentiation

The answer is segregation

Explanation:

The name is racial segregation

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explanation:

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.