Answer:
B, optimism.
Explanation:
This was largely due to the United States' success in World War I. The US had emerged as a major world power and confidence in the US government and in the armed forces to protect freedom was at an all-time high.
A lot of people died and they wore masks during the black death
The nuclear factor changed it but i think it aslo fought
There was a civil war strategy that involved targeting an enemy’s resources, which was called “March to the Sea.”
