Answer:
If a kings subjects are not living in prosperity, they can revolt and over through the king. If this happens( like it has numerously throughout history) they may revolt and overthrow the king altogether. If this happens then they may convert to democracy. The king has this in his best interest due to the fact if he does not he will have more problems within economy
Explanation: Hope this helps
1. charging an official with a misdeed (a crime): impeachment
2. chosen; appointed (suggest someone for an election, job): nominated
3. to improve; to change: to make into a better quality: amended
4. reverse; change to the opposite position: overturn
5. whether the law or act is constitutional: constitutionality
6. court determination of constitutionality of laws passed: judicial review
Found this on the web hope it helps!
C.
It seems to be the most fitting answer.