<prompt> Bhala ukuqhubeka kwalesi sigaba - ULeffert waphothula iziqu eSt. Lawrence University ngo-1863. Ngemva kokuthweswa iziqu eSt. Lawrence, uBuck wabhalisa futhi walwela i-Union Army eMpini Yombango yaseMelika ngaphansi kukaGeneral Slocum, wabamba iqhaza ezimpini zase-Antietam, Chancellorsville, Gettysburg, Lookout Mountain  <response>: , iMisionary Ridge, iPeachtree Creek, iResaca neRinggold Gap. 