Answer:
C. Congress wanted to punish the South for its crimes against the Union.
Step-by-step explanation:
Congress also passed strict guidelines on what southern states needed to do to join the Union again. Congressmen supported the Southern Unionist and blacks in the south to stay in power. though they wanted the confederates leaders to stay away from public offices it should be not be extended to the whole south. They wanted the South would be in a strong grip and their interest should be ensured in the process.