<prompt> Bhala okuqhubekayo kwalesi sigaba - UPorter wakhethwa njengomsizi jikelele ngaphansi kukaGideon J. Pillow, futhi wasiza ekuhleleni i-Provisional Army of Tennessee. Ngemva kokuba leli butho lihlanganiswe nebutho elikhulu le-Confederate Army, uPorter wabelwa uJenene Benjamin F. Cheatham. Njengenhloko yezikhulu zikaCheatham, uPorter wabamba iqhaza ezimpini zaseBelmont, eShiloh  <response>: , eChickamauga, eMissionary Ridge, nasekuvinjezelweni kwe-Atlanta. 