1. The Second Red Scare Essential Question: What were the causes and effects of the Red Scare in the U.S.?

2. The Growing Fear of Communism Soviets detonate an atomic bomb Communists win the civil war in China

3. House of Un-American Activities Committee Created in the 1930s Purpose was to investigate radical groups within the United States Focused on threat of communism after the start of the Cold War Most famous case: Hollywood Ten

5. Fighting Communism in the Government Republicans claimed Communists were working for the federal gov’t Truman adopted a plan to investigate the loyalty of federal employees Few thousand resigned, and 200 judged disloyal

6. Laws Regarding Communism Smith Act  Crime to call for the overthrow of the U.S. gov’t  Upheld by the Supreme Court McCarran Internal Security Act  Communist groups had to register w/the gov’t  a special board was created to investigate all communist activity  Communists barred from entering the country  Truman vetoed, Congress overrode veto

7. Spy Cases Alger Hiss (federal gov’t official) accused of working for the Soviets Klaus Fuchs passed atomic bomb secrets to the Soviet Union Ethel and Julius Rosenberg are executed for providing atomic secrets to the Soviet Union Alger Hiss Klaus Fuchs Ethel and Julius Rosenberg

8. Republican senator from Wisconsin Announced that the government was filled with ‘ reds ’ Made claims that he had inside knowledge and proof McCarthy’s tactic of spreading fear became known as McCarthyism Thousands of people fired nationwide However, when he accused the army of having tons of communist subversives, he went too far Censured by the Senate, died in disgrace Senator Joseph McCarthy