How can impeachment preserve democracy, and how can it be used to corrupt it?

Impeachment is to keep everything uncompromised but can also be biased

Explanation:

Impeachment of a president and or any other political seat is a way to uphold the law it's a checks and balances rule. It can be used to preserve democracy due to the fact that if said leader wants to go against what the law says you can get rid of them. On the other hand it can be used to slander somebody and try to force the government to lean against somebody due to its threatening nature

the answer is a. laws were enacted in the aftermath of the plot to make it harder to free slaves,increasing sectionalism