The correct answer to this open question is the following.
US President Dwight Eisenhower disagreed with Harry Truman on foreign policy in that he considered that the policy of Truman had caused many turmoil and conflicts for the United States.
That is why the foreign policy of Dwight Eisenhower changed in 1953 and created what he called "the New Look." This concept meant that improve the economy of the United States, to maintain the US position of stopping the spread of Communism in the Cold War, continue to invest in nuclear weapons during the arms race, support the activities of the Central Intelligence Agency, strengthen the relationships with allies and welcoming new countries as "friends."