McCarthyism and the Second Red ScareThe second Red Scare refers to the fear of communism that permeated American politics, culture, and society from the late 1940s through the 1950s, during the opening phases of the Cold War with the Soviet Union.
Storrs, Landon R. Y. “McCarthyism and the Second Red Scare.” Oxford Research Encyclopedia of American History, Oxford University Press, 2015, https://doi.org/10.1093/acrefore/9780199329175.013.6.