<prompt> Pedzisa mutsara unotevera: Muna May 1861 akaunganidza 18th Illinois Volunteer Infantry Regiment, uye akagadzwa kuva mukuru wayo wokutanga. Nguva yake achitungamirira chikwata muKentucky neTennessee yakanga ine nharo uye yakakodzera. Akakuvadzwa muhondo yeFort Donelson. MunaNovember 1862 akagadzwa kuva brigadier general, uye akatungamira brigade muChipiri Chikamu cheXIII Corps. Akarwa achibudirira muVicksburg Campaign muna 1863. Akatungamirira varume vake muhondo dze  <response>: Port Gibson, Champions Hill, uye Big Black River Bridge. uye panguva yekurwiswa kukuru kwaMay 22, 1863 paVicksburg MS, uko mauto ari pasi pekutungamira kwake aive chete mauto eUnion kuti apinde muConfederate anoshanda paRailroad Redoubt kwavakasimwa mureza weU.S. 