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the truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey.

meteorologists would compare a new weather map with one 24 h old to see how fast a front is moving.

in addition to spreading humanist ideas, erasmus has contributed to criticism of corruption in the church.