What is the name of the political theory that if one nation comes under Communist control, neighboring nations will also come under Communist control?

What is the name of the political theory that if one nation comes under Communist control, neighboring nations will also come under Communist control?

• A. Domino theory
• B. Truman Doctrine
• C. Containment
• D. Detente

Answer: (A)

Domino theory is the idea that if one country falls under Communist control, neighboring nations will follow in a chain-reaction, like a row of falling dominoes. This way of thinking was used in the 1950s and 60s to justify U.S. involvement in Vietnam, with the worry that a victory for communism in one country could lead to a regional spread to nearby states in Southeast Asia. The term was popularized by President Eisenhower, who linked local struggles to a wider pattern of containment. By contrast, the Truman Doctrine expanded aid to resist communism in specific places, containment is the broader strategy of preventing further spread, and detente refers to easing tensions between rivals. So the described concept is the domino theory.

Domino theory is the idea that if one country falls under Communist control, neighboring nations will follow in a chain-reaction, like a row of falling dominoes. This way of thinking was used in the 1950s and 60s to justify U.S. involvement in Vietnam, with the worry that a victory for communism in one country could lead to a regional spread to nearby states in Southeast Asia. The term was popularized by President Eisenhower, who linked local struggles to a wider pattern of containment. By contrast, the Truman Doctrine expanded aid to resist communism in specific places, containment is the broader strategy of preventing further spread, and detente refers to easing tensions between rivals. So the described concept is the domino theory.