Which of the following were issued in 1947, declaring the United States would support nations being threatened by communism? Marshall Plan Truman Doctrine McCarran-Walker Act Warsaw Pact

Truman Doctrine

Explanation:

Truman Doctrine was a measure carried out by the U. S. government, which was intended to support countries against communist regimes since these regimes were a threat for American capitalism. The intention was to fight against the spread of Soviet influence and most of all, of communism in Western Europe.