The Domino Theory was the belief that communism would expand and spread from one country to the next until it dominated the world. This idea shaped the foreign policy of the United States and …

Domino theory presents a metaphor of falling dominoes: that a rise or fall in communist influence in a country will have the same knock-on effect in neighboring countries, and so on.

Nov 9, 2009 · The domino theory was a Cold War policy that suggested a communist government in one nation would quickly lead to communist takeovers in neighboring states, each falling like a row of …

Domino theory, theory adopted in U.S. foreign policy after World War II according to which the ‘fall’ of a noncommunist state to communism would precipitate the fall of noncommunist governments in …

The Domino Theory, a significant concept during the Cold War, posited that the spread of communism in one nation could trigger a chain reaction, causing neighboring countries to fall into communism …

The Domino Theory stated simply that Communist victory in one country or region would spark neighboring regions to rise up against pro-American governments, which would lead to more …

Mar 7, 2026 · The domino theory provided the logical rationale for containment, America’s central Cold War strategy. Containment was the policy: prevent communism from spreading beyond the borders …

The domino theory slid out of view for several years, but it was waiting to reassert itself whenever some country in Asia seemed in danger of falling to communism.

The domino theory, popularized during the Cold War, posited that if one country in a region came under the influence of communism, then the surrounding countries would inevitably fall like a row of …

May 24, 2025 · The theory was used to justify US intervention in Vietnam, with policymakers believing that a communist victory in Vietnam would lead to a domino effect, resulting in the fall of other …