The founding fathers agreed with the concept of separation of powers and checks and balances in government. The founding fathers agreed that truly enlightened governments made the right decisions for their citizens. This is the answer i think if not then i'm so sorry.
For his work on the Missouri Compromise, Senator Henry Clay became known as the “Great Pacificator." ... It was repealed by the Kansas-Nebraska Act of 1854, which established popular sovereignty (local choice) regarding slavery in Kansas and Nebraska, though both were north of the compromise line.