By making the civil war only about the preservation of slavery against abolitionists. Though this was one reason, It was originally started because they felt that the federal government was being unfair and unjust towards them in the way that they taxed them.
The Kansas-Nebraska Act allowed each territory to decide the issue of slavery on the basis of popular sovereignty. Kansas with slavery would violate the Missouri Compromise<span>, which had kept the Union from falling apart for the last thirty-four years.</span>
Answer:
Checks and Balances
Explanation:
One of the rights of congress is the right to impeach the president if they think he is to tyrannical. Checks and balances itself though is an example of separation of powers