President Wilson’s 1917 declaration of war included the regu…

President Wilsоn’s 1917 declаrаtiоn оf wаr included the regulation that “an alien enemy whom there may be reasonable cause to believe to be aiding or about to aid the enemy . . . or violates any regulation promulgated by the President . . . will be subject to summary arrest . . . and to confinement in such penitentiary, prison, jail, or military camp.” This regulation can be considered the seedbed out of which grew: