Multiple choice Truman issued the doctrine primarily in order to support decolonization in Asia and Africa support United States allies in Latin America protect United States interests in the Middle East bolster noncommunist nations, particularly in Europe Reveal answer Fill a bubble to check yourself D Correct answer Explanation The Truman Doctrine was established in 1947 to provide economic and military aid to Greece and Turkey to prevent them from falling under Soviet influence, embodying the policy of containment.