Changes

*22 May FBI arrests [[Harry Gold]] for espionage.

*22 May FBI arrests [[Harry Gold]] for espionage.

*On 25 June, the [[Korean War]] began when North Korea invaded South Korea; [[President Truman]] authorized deployment of American troops while the Allied Powers provided little or no assistance. The United States essentially stood alone in a confrontation that had the prospect of nuclear weapons being used — nuclear weapons technology that had been given to the enemy by US citizens, some within the government. Three weeks later, on 17 July, [[Julius Rosenberg]] was arrested on charges of espionage regarding the transfer of technology to the Soviet Union to build the atomic weapon.

*On 25 June, the [[Korean War]] began when North Korea invaded South Korea; [[President Truman]] authorized deployment of American troops while the Allied Powers provided little or no assistance. The United States essentially stood alone in a confrontation that had the prospect of nuclear weapons being used — nuclear weapons technology that had been given to the enemy by US citizens, some within the government.  

 

*On 17 July, [[Julius Rosenberg]] was arrested on charges of espionage regarding the transfer of technology to the Soviet Union to build the atomic weapon.

*In May 1951, two members of the [[Cambridge Five]] — [[Donald MacLean]], Second Secretary of the British Embassy in Washington, D.C., and [[Guy Burgess]] — defected to Moscow after it was discovered MacLean transmitted information on the atom bomb from the British Embassy to the Soviet Union during World War II.

*In May 1951, two members of the [[Cambridge Five]] — [[Donald MacLean]], Second Secretary of the British Embassy in Washington, D.C., and [[Guy Burgess]] — defected to Moscow after it was discovered MacLean transmitted information on the atom bomb from the British Embassy to the Soviet Union during World War II.