When Truman took over, were the Soviet Union and United States working together?

The Truman Doctrine was informally extended to become the basis of American Cold War policy throughout Europe and around the world. It shifted American foreign policy toward the Soviet Union from détente (a relaxation of tension) to a containment of Soviet expansion as advocated by diplomat George Kennan.Truman guided the United States through the end of World War II, the beginning of the Cold War between the United States and the Soviet Union, and the ... As Truman took office, military planners anticipated that total victory would require an ... The possibility of bringing the war to an earlier conclusion was exceedingly ...

Explanation:

the roman army grew in size and became dominant in the mediterranean region.

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