How did nativists try to use fake science?

A. To claim that some races should be allowed to be citizens

B. To show there was no way to stop more immigrants from coming

C. To say that nonwhites were supposedly weaker than white

D. to improve the quality of life for new immigrants

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.

the correct answers are 1, 2 5, 6

b) new machinery hope i