<prompt> Grant akadzidzisa mauto eUnion uye akasimudzirwa kuva Colonel muna June 1861. Maj. Gen. John C. Frémont, uyo akaona muna Grant chishuvo chesimbi chokukunda, akagadza Grant kuti ave mutungamiriri weDunhu reCairo. Grant akava nomukurumbira munyika yose pashure pokutora Fort Donelson muna February 1862 uye akasimudzirwa kuva Major General naPurezidhendi Abraham Lincoln. Pashure penhevedzano yehondo dzinosarudza asi dzinodhura norukundo paShiro  <response>: , Vicksburg, uye Chattanooga, Grant akasimudzirwa kuva Lieutenant General neMutungamiri Lincoln muna 1864 uye akapiwa mutoro wemauto ose eUnion. Grant akaenderera mberi nekukunda Robert E. Lee mushure meimwe nhevedzano yehondo dzinodhura muOverland Campaign, Petersburg, uye Appomattox. Mushure meHondo yeVanhu, Grant akapiwa kukwidziridzwa kwake kwekupedzisira kweGeneral of the Armed Forces muna 1866 uye akashanda kusvika muna 1869. Kuzivikanwa kwaGrant semukuru wehondo weUnion kwakamugonesa kusarudzwa kaviri semutungamiri wegumi nemasere weUnited States. 