Multiple choice

What was the idea if one country fell to communism, then its neighboring countries will follow?

  1. Imperialism

  2. Internationalism

  3. Domino Theory

  4. Containment
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Domino Theory was a Cold War policy that suggested if one country in a region fell to communism, the surrounding countries would inevitably follow. This theory was a primary justification for U.S. involvement in Southeast Asia.

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