Which impact did president abraham lincoln's assassination have on post-civil war america?
a. slaves rose up in rebellion and a new war began.
b. southerners were glad to have republicans take over congress.
c. his plans for reconstruction were not carried out.
d. northerners were relieved because he had been a tyrant.

the main inference that can be drawn from jean jacques rousseau's book the social contract is: a. people can enjoy civil and physical freedom, even if it sometimes harms society.

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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.