I believe these are the different articles of the articles of the confederation?
Slavery was incredibly divisive because the Us was expanding into the west, and each new state had to decide whether it was going to be "slave" or "free", so there was no middle ground in terms of how the extension of slavery would unfold. This led to the Civil War.
The presence of Mr. Jim crow in all public places was legally ended by the passage of the Civil Rights Act of 1964.
The civil rights Act of 1964, ended the segregation in public places and banned employment discrimination, on the basis of race, color, religion, sex or national origin. It is considered one of the crowning legislative achievements of the civil rights movement.
I believe you are looking for mesopotamia, sorry if im wrong