The U.S. Government Document

Signed by President Roosevelt on December 7, 1941, Proclamation 2525 enabled the U.S. government to relocate anyone it chose from all areas believed to be of military value.

…the President makes public proclamation of the event, all natives, citizens, denizens, or subjects of of the hostile nation or government, being of the age of fourteen years and upward, who shall be within the United States and not actually naturalized, shall be liable to be apprehended, restrained, secured, and removed as alien enemies.

Dance at Tule Lake.