Help I need this ASAP plz

the union

Explanation:

they defeated the Confederates

After four bloody years of conflict, the United States defeated the Confederate States. The states that were in rebellion were readmitted to the United States, and the institution of slavery was abolished nation-wide. Fact: Abraham Lincoln was the President of the United States during the Civil War

Explanation:

hope this helps in some way

c, because the american revolution was from 1765 to 1783.