Answer:
The correct answer is A. Today, Truman's precedent is not in force when presidents have to take military decisions.
Explanation:
The Truman Doctrine was a political principle established by President Harry S. Truman in 1947 in response to ever-increasing influence from the Soviet Union, later also China. The point was that American foreign policy should have a counter principle against communism as a main principle. Truman presented the policy in a speech to the House of Representatives on March 12, 1947.
Truman said the US was ready to respond to the Greek government's urgent appeal for economic and military support in the Greek civil war. Turkey, which was in a similar situation to Greece, should also receive American aid.
The Truman Doctrine marked the end of the American war coalition with the Soviet Union and marked the beginning of the Cold War.
