Syracuse, New York, had a population of 145,170 in the Census.
During the American Civil War , the Ohio River port city of Cincinnati , Ohio , played a key role as a major source of supplies and troops for the Union Army .. American Civil War. American Civil War. Ohio River. Ohio River. Union Army. Union Army. It also served as the headquarters for much of the war for the Department of the Ohio , which was charged with the defense of the region , as well as directing the army 's offensives into Kentucky and Tennessee .. Department of the Ohio. Department of the Ohio. Kentucky. Kentucky in the American Civil War. Tennessee. Tennessee in the American Civil War