Take off D; the North had won some battles up to that point. Rip off A; the South would never let go of slavery. Take off B, since the Union had some wins already. You can now clearly see where the answer is.
Answer: I think it is A
Explanation: btw i am not sure so wait for another person to answer
Answer:
some were happy out - mainly those who supported the ideology of white supremacy whereas others just adjusted to it
Explanation: