Answer:
If Lincoln had not been assassinated, slaves would have experienced different lives. After Lincoln died, many slave owners got back their slaves and continue to treat them bad. If Lincoln was alive, he would have not allowed that to happen. He would have made sure that African Americans would have his support to get rights. He would also financially support them by offering them land to farm out west.
C because they had teachnoligy way before anyone els and they already had gods ex) isis the goddes of all magic, hores the god of battle, set god of evil , aumbis god of the after life, and bast the cat goddess
"All marriages between a white person and a negro, or between a white person and a person of negro descent to the fourth generation inclusive, are hereby forever prohibited."
This is an example of how Jim Crow laws segregated blacks from whites while "still being legal" even after slavery was abolished.
Hope that helped :)