Question

This theory was the driving force behind the Kennedy administration’s actions in Vietnam.

Answer 1

The Domino theory.
existed from the 1950s to the 1980s. It was promoted at times by the United States government and speculated that if one state in a region came under the influence of communism, then the surrounding countries would follow in a domino effect. The domino theory was used by successive United States administrations during the Cold War to justify the need for American intervention around the world.

Answer 2

Do you have choices? or is it an essay question?

Answer 3

Yes the domino theory is correct