The Truman and Eisenhower Doctrines showed that the United States was most concerned with

The Truman and Eisenhower Doctrines were part of the U.S. policy of containment: preventing communism from spreading to additional countries. The Truman Doctrine promised support to nations resisting communist pressure, while the Eisenhower Doctrine offered aid to countries threatened by communism in the Middle East. Therefore, the United States was most concerned with halting the spread of communism throughout the world.

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