The correct answer is Subject
Here, it is unknown who would be driving to school. Therefore we need either a pronoun or a noun that would give us the subject.
I believe that your answer is America.
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