What foreign policy motivated US involvement in the Korean War?
Group of answer choices

isolationism

brinkmanship

mercantilism

containment

Respuesta :

Answer: D is correct (containment).

Explanation: USA became aware (thanks to development in Europe which revealed formation of "iron curtain") of expansion of Communism or exportation of Communism from the USSR to the rest of the world. Truman doctrine or Containment doctrine (author: George Kennan) was adopted to stop such an expansion (such expansion took place in Korean peninsula as well).