So in u. s history we are are learning about the trails people took to the west, where did the applegate trail end and begin?

it would be  

germany had to pay all damages related to the war.

and i think

germany had to take sole responsibility for the war.

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.