 Complete the following phrase:  At the beginning of the Civil War, he became major in the 70th New York Volunteer Infantry Regiment, which was raised and commanded by General Sickles. He distinguished himself for gallantry in all the engagements in which Sickless brigade took part, and was promoted colonel of his regiment. At the Battle of Williamsburg, 5 May 1862, he was severely wounded, but recovered in time to take part in the battles of Fredericksburg, Chancellorsville, and 