- 3 million government workers investigated by FLB, 3000 forced to fired or forced to resign
- Cities & businesses investigated thousands of employees of being communist sympathisers - lost their jobs
- HOLLYWOOD TEN : 19 Hollywood directors, writers and producers named communist, where 10 refused to respond, jailed for 1 year for contempt and blacklisted
- HISS CASE : Hiss was member of State Department and adviser for President Roosevelt, named as a communist, sentenced for 5 years in prison for denying being communist in court
- ROSENBERG CASE : Klaus Fuchs arrested for helping SU build atomic bomb, named David Greenglass as other spies, Greenglass dragged sister and her husband as communists too, both sentenced to death
- Thousands of ordinary Americans reported suspected communists to FBI
- Trade unions seen as communist
- Stopped talking about politics - fear of being accused
- Less people campaigned for left wing policies - not elected
- Damaged international reputation - more people became anti-American