High Quality Content by WIKIPEDIA articles! The War Relocation Authority was the U.S. civilian agency responsible for the relocation and internment of Japanese Americans during World War II. President Franklin D. Roosevelt (FDR), arguing that the successful prosecution of the war requires every possible protection against espionage and sabotage, signed Executive Orders 9066 and 9102 as a way to relocate Japanese Americans, Italian Americans and German Americans on the west coast. In official government research it was found that although a large proportion of the Japanese group might be found loyal to the United States military considerations cannot permit the risk of putting unassimilated or partly assimilated people to an unpredictable test during an invasion by an army of their own people.