 Complete the following phrase:  Cooper enlisted in the army as a private at Louisville, Kentucky in 1861 at the outbreak of the Civil War. He was made a Sergeant on November 15, 1861 and was commissioned as second lieutet in the 20th Kentucky Infantry on January 24, 1862. From February to July 1862 he was the Acting aide-de-camp ADC and Acting Assistant Adjutant general AAG for the 22nd Brigade of the 4th Division in the Army of the Ohio. At the 