<P> In the meantime, Secretary of War Henry L. Stimson mailed to Senator Robert Rice Reynolds and U.S. House Speaker Sam Rayburn draft legislation authorizing the enforcement of Executive Order 9066 . By March 21, Congress had enacted the proposed legislation, which Roosevelt signed into law . </P> <P> On March 24, 1942, Western Defense Command began issuing Civilian Exclusion orders, commanding that "all persons of Japanese ancestry, including aliens and non-aliens" report to designated assembly points . With the issuance of Civilian Restrictive Order No. 1 on May 19, 1942, Japanese Americans were forced to move into relocation camps . </P> <P> Fred Korematsu was a Japanese - American man who decided to stay in San Leandro, California; he knowingly violated Civilian Exclusion Order No. 34 of the U.S. Army, even undergoing plastic surgery in an attempt to conceal his identity . He argued that the Executive Order 9066 was unconstitutional and that it violated the Fifth Amendment to the United States Constitution . The Fifth Amendment was selected over the Fourteenth Amendment due to the lack of federal protections in the Fourteenth Amendment . He was arrested and convicted . No question was raised as to Korematsu's loyalty to the United States . The Circuit Court of Appeals affirmed the conviction, and the Supreme Court granted certiorari . </P> <P> The decision of the case, written by Justice Hugo Black, found the case largely indistinguishable from the previous year's Hirabayashi v. United States decision, and rested largely on the same principle: deference to Congress and the military authorities, particularly in light of the uncertainty following Pearl Harbor . Justice Black further denied that the case had anything to do with racial prejudice: </P>

What was the main constitutional issue raised by the japanese internment during world war ii
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