Was there ever a Japanese group within the US that turned hostile after war broke out during that time?
>A total of 33,000 Japanese Americans, men and women, served in the armed forces—many with great distinction. Eight hundred of them made the ultimate sacrifice.
The big difference with Germany and Turks is that the Japanese assimilated for the most part.
In Hawaii some Japanese helped a shot down Zero pilot from the Pearl Harbor attack. Native Hawaiians fixed the situation.
Yes.
>Much decorated for their valor and often cited as being part of the most decorated unit in World War II for its size and length of service, Japanese Americans served in the U.S. armed forces in disproportionate numbers, despite having their loyalties questioned after the Japanese attack on Pearl Harbor.
https://encyclopedia.densho.org/Japanese_Americans_in_military_during_World_War_II/
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