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300px|thumbnail|left|The Battle of Chickamauga]]
One of the more important legacies of the Civil War was the many new innovations that it introduced to the United States. For instance, the Civil War was one of the first wars in world history where rifles were used extensively. The telegraph was used to relay messages between commanders and railroads were used to transport troops to and from the front. Truly, the Civil War was one of innovation, but not all innovations employed during the war were technical.