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iron curtain  

Definition

  • Metaphorical term for the political and economic divide between Western and Soviet spheres of influence in Europe following World War II. For more than 40 years, the idea of an Iron Curtain represented the absolute ideological divide between the communist and capitalist worlds. This invisible barrier became an important psychological element in the national-security concerns of the United States and the Soviet Union during the Cold War. [Source: Encyclopedia of United States National Security; Iron Curtain]

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https://concepts.sagepub.com/social-science/concept/iron_curtain

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