The purpose of the Berlin Wall was to keep people from leaving Eastern Europe.
What was another reason why the Soviet Union built the Berlin Wall?

the actual main reaeason was that the economy of the Eastern block was getting hit because so many would flee to the west. soviet goverment had many people running away from there jobs and would go the west. also the wall was built to keep order and stability

the answer is c.richard m. nixon

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.