Tolong jelaskan mengenai Ketakutan Merah

"Ketakutan Merah" () adalah promosi perebakan ketakutan oleh masyarakat atau negara tentang kebangkitan potensial komunisme, anarkisme atau sayap kiri radikal. Istilah tersebut paling sering dipakai untuk merujuk dua periode dalam sejarah Amerika Serikat dengan nama ini. Ketakutan Merah Pertama (), terjadi tak lama setelah Perang Dunia I, melibatkan tentang sebuah ancaman dari gerakan buruh Amerika, revolusi anarkis dan radikalisme politik. Ketakutan Merah Kedua (), yang terjadi tak lama setelah Perang Dunia II, menyikapi para komunis dalam atau luar negeri dengan menginfiltrasi atau mensubversikan masyarakat AS atau pemerintah federal.

K.A. Cuordileone, "The Torment of Secrecy: Reckoning With Communism and Anti-Communism After Venona," Diplomatic History, vol. 35, no. 4 (Sept. 2001), pp. 615–642.

Albert Fried, McCarthyism, The Great American Red Scare: A Documentary History. New York: Oxford University Press, 1997.

Joy Hakim, War, Peace, and All That Jazz. New York: Oxford University Press, 1995.

John Earl Haynes, Red Scare or Red Menace?: American Communism and Anti Communism in the Cold War Era. Ivan R. Dee, 2000.

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William M. Wiecek, "The Legal Foundations of Domestic Anticommunism: The Background of Dennis v. United States," Supreme Court Review, vol. 2001 (2001), pp. 375–434. In JSTOR

"Political Tests for Professors: Academic Freedom during the McCarthy Years" by Ellen Schrecker, The University Loyalty Oath, October 7, 1999.