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Definition of William tecumseh sherman
1. Noun. United States general who was commander of all Union troops in the West; he captured Atlanta and led a destructive march to the sea that cut the Confederacy in two (1820-1891). 
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1. Noun. United States general who was commander of all Union troops in the West; he captured Atlanta and led a destructive march to the sea that cut the Confederacy in two (1820-1891).