I believe the issue that divided the founding fathers into two political fractions was, a debate accordingly ensued, between the Federalist side, led by Alexander Hamilton and James Madison, and the AntiFederalists, led by Thomas Jefferson and Patrick Henry, over exactly how much power and authority to give Congress and the other central branches of the new government.
Main cause communism. The north did not want to adopt communism while the south did hence the reason for why the US got involved to make sure that the north would win so as to help stop the spread of communism (sorry i know this is kind of late)
