Explain the purpose and structure of the system of checks and balances

The system of checks and balances was established by the founding fathers. All branches of the U.S. government has its own set of duties and capacities called separation of powers. Each branch is able to check the powers of the other branch to prevent any abuse of power.

lincoln declared that slavery should not be allowed to spread into the new states, and of course this angered the south at the time.