Cox was educated in New York after working as a clerk and a banker. He went to Ohio to oberlin collage and graduated in 1851. While he was there Cox married Helen Finney. When war bork out Cox interd the war as a brigadier general in 1861.
Cox was protecting Foxs Gap sending 3,000 men against 1,000 confederates. When the civil war began. Cox led Ohio volunteers. Then he was aponted commander of camp Jackson. After a while Cox was cammanding troops in the battle filed.
Cox synergized by helping others in the war. He also put first things first by leading Ohio volunteers and then commanding troops on the battle field.