<prompt> Ngwala go tšwela pele ga serapa se - Leffert o alogile Yunibesithing ya St. Lawrence ka 1863. Ka morago ga go aloga go St. Lawrence, Buck o ile a ingwadiša gomme a lwa le Union Army Ntweng ya Selegae ya Amerika ka tlase ga General Slocum, a tšea karolo dintweng tša Antietam, Chancellorsville, Gettysburg, Thaba ya Lookout  <response>: , Missionary Ridge, Peachtree Creek, Resaca le Ringgold Gap. 