Answer:
It was the end of the First American political order
Explanation:
The Federalists and Democratic-Republican Parties had collapsed and was replaced by the second political order of the Whigs and Democrats
The main policy changed between presidents but a lot of it was containment of the spread of communism and some intervention against soviet backed coups such as Vietnam and places in Africa such as the Congo and the third was supporting EE countries and leave them open for influence by western powers and democratic powers
It was resolved with the 3/5 compromise, which stated that an African American was counted as 3/5 of a person for population purposes.
"<span>The North opposed the idea that a state could leave the Union, but the South supported it" is the best option from the list but all this had to do with the issue of slavery. </span>