Explanation:
It had many causes, but there were two main issues that split the nation: first was the issue of slavery, and second was the balance of power in the federal government. ... Without slaves, the South believed that their region's economy would be destroyed.
Article I, Section 4, Clause 1: The Times, Places and Manner of holding Elections for Senators and Representatives, shall be prescribed in each State by the Legislature thereof; but the Congress may at any time by Law make or alter such Regulations, except as to the Places of chusing Senators.
