 Alexander akaramba achitarisira zvombo zveNorthern Virginia Campaign Second Bull Runuye Maryland Campaign Antietam. Akapotsa abatwa neuto reFederal, raitungamirirwa naColonel Benjamin F. Grimes Davis, uyo akanga atiza kubva kuHarpers Ferry panguva yeMaryland Campaign; anopfuura 40 engoro dzezvombo zveLongstreet 80 dzakatorwa. 