<prompt> Qedela le nkulumo elandelayo: Phakathi neMpi Yombango YaseMelika, iChattanooga yayiyisikhungo sempi. I-Chattanooga yaba yindawo yokuxhuma amaphesenti angamashumi amahlanu ezinqolobane zempi ze-Confederacy, lezo ezazitholakala e-Atlanta, e-Augusta, eColumbus, naseMacon. Izitimela zaseChattanooga zabonakala zibalulekile ekuthuthweni kwe-Confederation kwezinto ezingavuthiwe eziya ezimbonini zokucubungula lapho babephethe khona ukukhiqiza izinhlamvu zezikhali ezincane. Phakathi ne-Chickamauga Campaign, izibhamu zase-Union zadubula iChattanooga njengokuphambukisa futhi zayithatha ngoSepthemba 9, 1863. Ngemva kweMpi yaseChickamauga, ibutho le-Union elahluliwe lahlehlela endaweni ephephile eChattanooga. NgoNovemba 23, 1863, iMpi yaseChattanooga yaqala lapho amabutho e-Union ayeholwa nguMeya Jikelele u-Ulysses S. Grant eqinisa amabutho eChattanooga futhi athuthukela e-Orchard Knob ngokumelene namabutho ase-Confederate ayevimbezele idolobha. Ngakusasa,  <response>: Kwaba neMpi YaseLookout Mountain, eyaxosha amaConfederate entabeni. NgoNovemba 25, ibutho likaGrant lanqoba amaConfederate eMpini yaseMissionary Ridge. Ngokuqondene nokunqoba okwanqotshwa yiNhlangano, iChattanooga iphawula esinye sezikhathi ezintathu ezichazayo ezaphenduka iMpi Yombango yabazuzisa. I- Battle of Gettysburg yaletha inqwaba yezinqobe ezitholakale yi-Confederation ekupheleni, ngenkathi i- Siege of Vicksburg ihlukanisa i-Confederation ngokwayo ngesigamu, ngenkathi i-Chattanooga isebenza njengomnyango oya eningizimu ejulile. Lezi zimpi zalandelwa entwasahlobo elandelayo yi-Atlanta Campaign, eyaqala ngaphesheya komngcele wombuso oseduze eGeorgia futhi yathuthela eningizimu-mpumalanga. Ngemva kokuphela kwempi, leli dolobha laba isikhungo esikhulu sesitimela nesikhungo sezimboni nezokukhiqiza. 