 Ramba uchiverenga ndima iyi - Somunhu wechiWhig, Morgan akanga achipesana nokuparadzana kusvikira muna 1861, paakabatana neDemocratic Party. Munguva yeAmerican Civil War, Morgan akashanda muConfederate States Army. Akanga ari muvambi we36th Tennessee Infantry Regiment muChattanooga, Tennessee muna 1861, uye akashanda saColonel wayo kusvika muna 1863. Akanga akamira muCumberland Gap uye akarwa muTennessee, Georgia neKentucky. Akatora rutivi muHondo yeMurfreesborouye Hondo yeChickamauga. Kubva muna 1863 kusvika muna 1864, aive Adjutant-General kuna Lieutenant-General Leonidas Polk, kusvika parufu rwaPolk. Akabva ashanda muConfederate States War Department kusvika muna 1865, paakabudiswa muAtlanta, Georgia. 