Answer:
Slavery.
Explanation:
The North opposed it and the South allowed it.
Answer:
A. To enforce the policy of segregation
Explanation:
After the civil war in which the union won, the south really didn't want colored people to be equal to a white man, and so they tried to cheat the system by enforcing these racist laws in which it separated the colored's from the whites in the public with public goods.
John Adams is the second US president.