The answer is McCarthyism.
During this period, the U.S. was determine to prevent the spread of
communism in its territories.
Surveillance and warrantless arrest of suspects were rampant. Many lost their careers after being branded a
communist while others were put in jail.
Many criticized this actions as unconstitutional.
The great age of conquest had ended a few decades before. Three legions had been destroyed in the Battle of the Teutoburg Forest by rebellious German tribesmen in 9 AD, and the emperor Augustus concluded that the empire was overextended and called a halt to new wars of conquest.
Explanation: this will help you.
Sorry I would but I don't know this
Answer: Mein Kampf was a autobiography book written by Hitle, it means "My Struggle" or "My Fight".
The book describes how he becomes antisemitic and militaristic, as well as his ideology and future plans for the country. He talks about what considers political crimes. It was a way to gain the world leadership. He even describes how was met a Jew in Vienna.