During the 1800s and 1900s, migrants to the united states a. provided large amounts of cheap labor, which grew us industries. b. provided large amounts of cheap labor, which hurt us industries. c. propelled the united states into a civil war. d. contributed to long-term economic decline.

if i knew what was the answer i wouldve put it

abraham lincoln, according to anyone who was connected with agriculture, represented the worst of northern politicians. shortly after lincoln was elected, south carolina seceded from the union. they along with other southern states, retained their anger. in a way, it was their own fault: the democrats were split in the south. some wanted slavery to be extended in other states that were about to join the union and some didn't want it badly enough. lincoln had a solid backing from his party: the republicans were united in not wanting slavery to be expanded.