Mezue ahịrịokwu na-esonụ: N'ịbụ onye nweworo ihe ịga nke ọma n'ịkwụsị nnọchibido nke Chattanooga, General Grant kpebisiri ike ugbu a na mgbukpọ abụọ nke ndị agha Bragg. Onye isi ndị agha William T. Sherman nyere iwu ka ọ wakpo ndị agha 20,000 site na ugwu n'akụkụ Missionary Ridge, ebe onye isi ndị agha Joseph Hooker nyere iwu ka ọ wakpo site na ndịda n'akụkụ Lookout Mountain, merie ndị agha ndịda ebe ahụ, wee gaa n'ihu na-egbochi Bragg ịlaghachi azụ ka Sherman na Thomas na-eti ya site na ugwu na ọdịda anyanwụ. Asọmpi ahụ bidoro n'ụtụtụ ụbọchị iri abụọ na anọ nke ọnwa Nọvemba, dịka Hooker
chụpụrụ ndị agha Confederate site na Lookout Mountain n'ihe a na-akpọ "Battle Above the Clouds", ebe Sherman gafere Osimiri Tennessee ma were ọnọdụ n'akụkụ ihe o chere bụ oke nke Missionary Ridge - naanị iji mụta na ọ weghaara ugwu dị nso, a na-akpọ Billy Goat Hill, kama. Alabama nke iri atọ na atọ, nke dị na nsọtụ ndịda nke Missionary Ridge dị nso n'isi ụlọ ọrụ Bragg, nụrụ ụda agha na Lookout Mountain, mana enweghị ike ịhụ ihe ahụ n'ihi oke alụlụ nke kpuchiri ya.