A significant presidential directive issued during World War II, it authorized the Secretary of War to prescribe certain areas as military zones, clearing the way for the internment of Japanese Americans. This action, implemented in 1942, resulted in the forced relocation and incarceration of over 120,000 individuals of Japanese descent, most of whom were American citizens, residing primarily on the West Coast. The justification cited was national security concerns in the wake of the attack on Pearl Harbor.
The historical significance of this measure lies in its demonstration of wartime hysteria and the suspension of civil liberties. It highlights a period where fear and prejudice overshadowed constitutional rights, leading to a gross injustice against a specific ethnic group. Furthermore, it serves as a cautionary example of the potential for government overreach during times of perceived crisis and the long-lasting effects such policies can have on individuals and communities. Later, the US government would formally apologize and offer reparations acknowledging the grave error.