It was created because antifederalists (people who opposed having a very strong government) were afraid of their rights being abused. So, they invented the Bill of Rights to make sure that no person could ever do it a second time.
If you remember, they were traumatized because the British king would be unfair towards them.
Yes. It's slightly slanted on the right.
The answer is slavery. The Republicans were anti-slavery, while the democratic south was pro slavery. Eventually that, and a couple of other things, led to the Civil War.
Sorry if this was a bit late, Brainly had just recommended this question for me to answer, but I hope this helps!
They were called a "patriot"