The Vietnam War lasted more than a decade, was the longest war in U.S. history, and cost the lives of nearly 60,000 American soldiers, as well as millions of Vietnamese. many of whom were uninvolved civilians. The lessons learned from this tragic conflict continue to have great relevance in today’s world.

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http://www.filesonic.com/file/2076942141/EncyclopediaOfTheVietnamWar.pdf
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