Which name for the period between world war 2 and the 1990s best emphansizes u. s. foreign relations?

History of United States foreign policy is a brief overview of major trends regarding the foreign policy of the United States from the American Revolution to the present. The major themes are becoming an "Empire of Liberty", promoting democracy, expandingacross the continent, supporting liberal internationalism, contesting World Wars and the Cold War, fighting international terrorism, developing the Third World, and building a strong world economy.

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The goal of President Franklin Roosevelt's foreign policy focused on moving the United States from isolation to intervention. He started this movement cautiously by establishing diplomatic relations and opening trade markets with the Soviet Union and Latin American through the Good Neighbor Policy.