Which john kennedy foreign policy supported peaceful coexistence with the soviet union? select one of the options below as your a) the domino theory b) globalization c) modernization d) flexible response e) détente

the domino theory
 In Southeast Asia, the United States government used the domino theory to justify its support of a non-communist regime in South Vietnam against the communist government of North Vietnam, and ultimately its increasing involvement in the long-running Vietnam War (1954-75).