First he wanted to take revenge on the countries that made the Versailles treaty because it was unfair to Germany. Then he wanted to cleanse the world of Jews, Slavs, and anyone who was not of the Aryan race.
Not sure if this is the answer your looking for but one could be They reacted to it harshly, and were suspicious of all immigrants that came to American from a communist country
Russia taking control of Eastern European countries.
I have taken this before and I believe the answer is D
16 December 1867
Millisle, County Down, Ireland