The Japanese American internment was unjustifiable. The Executive Order 9066 was not justified by military necessity, and the decisions that followed from it-exclusion, detention, the ending of exclusion-were not founded on military considerations. The broad historical causes that shaped these decisions were race prejudice, war hysteria, and a failure of political leadership. President Roosevelt played a very significant role in the internment of Japanese Americans during World War II. President Roosevelt still signed Executive Order 9066 despite knowing that there were no threats against the US from Japanese Americans. No Japanese American was ever convicted of espionage or sabotage. In 1988, the US Congress passed legislation which
