1)1938 to investigate fascist or communist influence in unions.
2)virulent (destructive) anti-communist and supported HUAC by testifying and passing on intelligence.
3)In March 1947 the federal government introduced ‘loyalty checks’ for government employees, meaning they could be investigated and dismissed for being suspected communists.
4)3 million were investigated and 3,000 fired or forced to resign.
5)fear of ‘reds under the bed’
6)those who were not members of the Communist Party, but sympathised with its aims.
7)Other employers (e.g.: schools, industry)