Jackson’s Valley campaign won renown and is still studied in military schools as an example of how speed and use of terrain can compensate for inferiority of numbers. Jackson’s army of 17,000 men had outmaneuvered three separate enemy forces with a combined strength of 33,000 and had won five battles, in all but one of which (Cross Keys) Jackson had been able to bring superior numbers to the scene of combat. Most important, Jackson’s campaign had diverted 60,000 Union soldiers from other tasks and had disrupted two major strategic movements—Frémont’s east Tennessee campaign and McDowell’s plan
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