Answer:
The desire of Southern politicians to maintain a balance between free and slave states i think
Explanation:
Slavery for sure. I believe the second one is economic differences between the North and the South.
Answer:
Hamilton
Explanation:
Princeton rejected Hamilton, but King's College (later known as Columbia) accepted him. Through his efforts as a volunteer, young Hamilton became General George Washington's aide de camp, or his right-hand man.
John Brown stirred up a lot of controversy with his attack on "Harper's" Ferry in Virginia