Multiple choice

If one country in the region became communist, others would quickly follow.

  1. Domino Theory

  2. Communist Theory

  3. Red Disaster

  4. Card Theory

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Domino Theory was a prominent US foreign policy theory during the Cold War. It suggested that if one country in a region fell to communism, surrounding countries would also fall in a domino-like chain reaction, which heavily influenced US intervention in Vietnam.