The efforts to stop the expansion of communist ideology and influence in different countries, usually through political, economic, and military means.
Related terms
Containment: A strategy employed by the United States during the Cold War aiming to limit Soviet expansion and influence.
McCarthyism: Refers to the practice of making accusations without proper evidence, particularly against alleged communists or sympathizers during the Red Scare period.
Iron Curtain: A metaphorical term used by Winston Churchill referring to the division between Western Europe (non-communist) and Eastern Europe (communist) during the Cold War.