"Japan bombed Pearl Harbor in December, 1941.
Under pressure from anti-Asian organizations and politicians, the...government proclaimed that 'all people of Japanese racial origin' posed a threat to national
security. Using the
War Measures Act, the government initiated a systematic plan to remove all 21,000 men, women and children..."
(source)
So Japanese
Americans had to pack a few precious belongings and move to filthy, overcrowded
internment facilities.