Definition, Meaning & Synonyms
domino theory
Noun
/ˈdɒmɪnoʊ ˈθɪəri/
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Definition
The domino theory is a political theory that suggests that if one country falls to communism, neighboring countries will also fall, like a row of dominos.
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Examples
- Many politicians in the 1960s believed in the domino theory when discussing the war in Vietnam.
- According to the domino theory, if Vietnam fell to communism, other countries in Southeast Asia would follow.
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Meaning
This concept was particularly prominent during the Cold War, where it was used to justify U.S. intervention in foreign conflicts to prevent the spread of communism.
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Synonyms
- Chain reaction
- Contagion theory