Race was a factor, another factor was that neither the Germans nor the Italians had attacked American soil the way the Japanese did, another factor was that German Americans had roots going back to the colonial period, another factor was that something like 80% of Japanese Americans lived in one region (Southern California) and it was an area essential to the war effort.
Don’t confuse sushiman with facts. He obviously was educated in public schools so that he could learn how wrong the US was to protect itself against a cowardly sneak attack. I don’t like FDR or Truman, but this was a war and they allowed the military to win it. I Thank God that Obama was not in the white house on December 7, 1941.