<prompt> Qedela le nkulumo elandelayo: Lapho kuqala iMpi Yombango ngo-1861, uSmith wakhonza njengomsizi kaRichard Yates, umbusi wase-Illinois. NgoDisemba 26, 1861 wamiswa njengekholonili we-45th Illinois Volunteer Infantry Regiment, ngesikhundla esibuyela emuva ngoJulayi 23, 1861 ukufaka esikhundleni sikaKholonili wangaphambilini owashiya isikhundla sakhe seKhomishini yombuso lapho ibutho lingena enkonzweni kaHulumeni. Wahola ibutho lakhe empini yaseFort Henry, eFort Donelson naseShiloh. NgoNovemba 29, 1862 wakhushulelwa esikhundleni sokuba ngu brigadier jikelele wamavolontiya aseMelika. Wabe esephethe i-brigade isikhashana ngaphambi kokuthatha umyalo we-8th Division, XVI Corps. Lapho u-Ulysses S. Grant eqala umkhankaso wakhe wokugcina wokulwa neVicksburg, uSmith wabeka umyalo we-1st Brigade, 3rd Division, XVII Corps. Walwa ezimpini zase  <response>: UPort Gibson, uRaymond, uChampion Hill kanye nokuhlasela iVicksburg. NgoJuni, 1863 phakathi nokuvinjezelwa kweVicksburg, uSmith wakhethwa ukuba athathe isikhundla sikaGen. Isaac F. Quinby njengomphathi we- 7th Division, XVII Corps ngemuva kokuthi uQuinby agule futhi athathe ikhefu. NgoSepthemba, ngo-1863, uSmith wadluliselwa ukuba ahole i- 2nd Division, XVII Corps futhi i-division yakhe yathunyelwa noWilliam T. Sherman ukusiza ekukhululeni i-Chattanooga. Ngesikhathi sempi yaseMissionary Ridge, uSmith wabamba iqhaza ekuhlaseleni i-Confederate right flank eTunnel Hill. 