What were the economic, social, and political problems the united states faced at the end of the civil war

At the end of the civil war the us had economic problems because the south had less workers because slavery was stoped. it was harder to grow crops. the social and political problem was that the south still wanted to leave and disliked Mr Lincoln. It is never good for a country to have a civil war because it hurts the people.

The third one would be the answer