Answer:
i need to borrow some points
Explanation:
sorry for this
They were allowed to rejoin if they accepted the 13th amendment. It was one of the reconstruction amendments that ended slavery and gave led to African-Americans getting their voting rights and their freedom.If they wouldn't accept it they wouldn't be allowed back.
They knew that people were going to change, and that the Constitution had to change with them. In order to be a working document, it had to be changed to reflect what was going on. At the same time they wanted changes to be taken seriously so they made it difficult to change things.
The League of Nation was established