History reports:
in 1942, President Franklin D. Roosevelt issues Presidential Proclamation No. 2537, requiring aliens from World War II-enemy countries–Italy, Germany and Japan–to register with the United States Department of Justice. Registered persons were then issued a Certificate of Identification for Aliens of Enemy Nationality. A follow-up to the Alien Registration Act of 1940, Proclamation No. 2537 facilitated the beginning of full-scale internment of Japanese Americans the following month.There's more:
Proclamation No. 2537 permitted the arrest, detention and internment of enemy aliens who violated restricted areas, such as ports, water treatment plants or even areas prone to brush fires, for the duration of the war. A month later, a reluctant but resigned Roosevelt signed the War Department’s blanket Executive Order 9066, which authorized the physical removal of all Japanese Americans into internment camps.Civil liberties icon FDR .
