Détente (a French word meaning release from tension) is the name given to a period of improved relations between the United States and the Soviet Union that began tentatively in 1971 and took decisive form when President Richard M. Nixon visited the secretary-general of the Soviet Communist party, Leonid I. Brezhnev, in Moscow, May 1972.
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I believe that your answer is Shanghai. Please correct me in the comments if I am wrong.
100% America because WW2 not only took us out of the great depression, it also stabilized the economy, made us a world power, and we suffered no homeland damages in the war effort.
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