The answer is C.
The north didn't really need slaves (doesn't mean they didn't have any), the South, however, thrived by using slaves because of the free labor on their plantations.
true
true
false
false
hopefully these are correct, I hope it helps ^^
In the federal court<span>system the </span>Supreme Court<span> has final appellate jurisdiction over all </span>courts<span> in the </span>United States<span>. Notice that, according to the Constitution, Congress creates </span>courts<span>.</span>
Industrial expansion and population growth radically changed the face of the nation's cities. Noise, traffic jams, slums, air pollution, and sanitation and health problems became commonplace. Mass transit, in the form of trolleys, cable cars, and subways, was built, and skyscrapers began to dominate city skylines.
Hope this helps <3
Using irrigation system was the practice closely associated with most ancient river valley civilization.