Which describes the purpose of the Truman doctrine

The Truman Doctrine was an American foreign policy whose stated purpose was to contain Soviet geopolitical expansion during the Cold War. ... Truman told Congress that "it must be the policy of the United States to support free peoples who are resisting attempted subjugation by armed minorities or by outside pressures."

Explanation: (happy to help)

barack obama

44th president of the united states

the constitution gives congress the power to regulate commerce "among" the several states.