Why was it important for the South to rejoin the Union?

Explanation:

The purpose of the Reconstruction was to help the South become a part of the Union again. Federal troops occupied much of the South during the Reconstruction to insure that laws were followed and that another uprising did not occur. Many people wanted the South to be punished for trying to leave the Union.

so there wasn't action taken against them for leaving? brainliest?

Explanation:

the first two-party system consisted of the federalist party, who supported the ratification of the constitution, and the democratic-republican party or the anti-administration party (anti-federalists), who opposed the powerful central government, among others, that the constitution established when it took effect in