The correct answer is C) the League of Nations.
Woodrow Wilson and President Truman would have disagreed about the League of Nations.
After World War 1, United States President Woodrow Wilson considered the creation of the League of Nations as an association of nations that fostered peace and respect in order to avoid another armed conflict as a world war. President Wilson wanted to be part of the League of nations but opposition in the US Congress refrained the US from entering.
After World War II, United States President Harry S. Truman established the Truman Doctrine as the foreign policy of the US. Its main goal was to stop the spread of Communism around the goal and the Soviet Union military production. This actions derived in the Cold War years, with permanent moments of confrontations and tensions between the USSR and the United States.