The Rise and Fall of America's Concentration Camp LawThe Emergency Detention Act, Title II of the Internal Security Act of 1950, is the only law in American history to legalize preventive detention. It restricted the freedom of a certain individual or a group of individuals based on actions that may be taken that would threaten the security of a nation or of a particular area. Yet the Act was never enforced before it was repealed in 1971. Masumi Izumi links the Emergency Detention Act with Japanese