Hitler was able to maintain power by creating propaganda posters and used censorship. He wanted to eliminate the Jews because he believed that the Jews were the reason why Germany was facing all the economic struggles. However, the Jews were just used as a scapegoat.
Definitely The Grand Army of the Republic
This citizenship is called a dual citizenship because let's say for example Mexico and America, that person would have citizenship to America AND Mexico.
I hope this helps you! :)