B i had it on my test bro
The supreme court requested that Richard Nixon hands over the tapes that he had. If they had them, they could then see what he's done and how corrupt he was so he decided to resign before being impeached. That's why he's not on the short list of presidents who were almost impeached, the other two being Clinton and Jackson, both of whom were acquitted of charges.
The concept of "normalcy" was based on nostalgia for an earlier America. The idea of nostalgia was new in Americans and since America was a new country, the forefathers wanted progress and did not want to look back in the past mentality.