In the wake of the [[Berlin Airlift]], the [[J._Robert_Oppenheimer#Espionage_at_Los_Alamos|theft of atomic secrets]] by liberal New Dealers working for Soviet intelligence, the fall of America's [[Kuomintang|Chinese ally]] in the war against [[Japan]] to the [[Chinese Communist]]s, and the outbreak of the [[Korean war]], McCarron sponsored legislation that required [[communist front]] organizations to register with the [[Subversive Activities Control Board]]. The [[McCarran Act]] additionally barred immigrant members of communist organizations from citizenship for 5 years. The law had the effect of inhibiting many [[Holocaust]] survivors from entering the United States. | In the wake of the [[Berlin Airlift]], the [[J._Robert_Oppenheimer#Espionage_at_Los_Alamos|theft of atomic secrets]] by liberal New Dealers working for Soviet intelligence, the fall of America's [[Kuomintang|Chinese ally]] in the war against [[Japan]] to the [[Chinese Communist]]s, and the outbreak of the [[Korean war]], McCarron sponsored legislation that required [[communist front]] organizations to register with the [[Subversive Activities Control Board]]. The [[McCarran Act]] additionally barred immigrant members of communist organizations from citizenship for 5 years. The law had the effect of inhibiting many [[Holocaust]] survivors from entering the United States. |