Dee ihe ga-aga n'ihu na paragraf a - Leffert gụsịrị akwụkwọ na Mahadum St. Lawrence na 1863. Mgbe ọ gụsịrị akwụkwọ na St. Lawrence, Buck sonyeere ma lụọ ọgụ maka ndị agha Union na American Civil War n'okpuru General Slocum, na-esonye n'agha na Antietam, Chancellorsville, Gettysburg, Lookout Mountain
, Missionary Ridge, Peachtree Creek, Resaca na Ringgold Gap.