Which idea claimed that southeast Asia would "fall" to communism if communism spread to South Vietnam?

Group of answer choices

Monroe Doctrine

Roosevelt Corollary

Domino Theory

Stab in the Back Theory

Respuesta :

Answer:

The Domino theory

Explanation:

If one country takes up communism it might influence another country to choose communism and then that will or may spread to another country than another and another. Like falling dominos