I believe it was because the government was afraid that they might be spies for Japan, so they thought it was safer to keep them in one place so it would be easier to keep an eye on them. It also stemmed from racism due to the attack on Pearl Harbor and the U.S. fighting against the Japanese in the Pacific.
I believe your answer is C correct me if I'm wrong. I hope this helps
The Republic Flaws Of Weimar
did you want it in long or short??
