The Domino Theory in history refers to the fear that the spread of communism in one country would lead to its spread in neighboring countries, influencing US policy during the Cold War.
Domino Theory refers to the fear that the fall of one country to communism would lead to the fall of other surrounding countries to communism. This theory influenced US policy during the Cold War, with the belief that the spread of communism needed to be contained to prevent its domino effect.
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