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The "Long Telegram" was an 8,000-word report for the State Deparment containing a deep and accurate analysis of the sources of Soviet conduct and foreign policy. Though the author did not identify himself, it became known that it had been written by diplomat George Kennan. The report provided the basis of the US doctrine of containment of communism during the Cold War. It is one of the most important documents in the history of American diplomacy.
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