 Kọ itẹsiwaju fun paragirafi yii - Ni Oṣu kejila ọjọ 20, a tun ṣe atunṣe aṣẹ Grant lati ṣafikun CF Smiths ati yi orukọ pada si Agbegbe ti Cairo. Láti ibẹ, ní February 1862, Grant darí ogun tí àwọn ọmọ ogun Union gbé dìde sí Fort Henry, tó wà ní Odò Tennessee, àti Fort Donelson : , ní Odò Cumberland. Awọn ọmọ ogun rẹ fun ipolongo yii ni ipari to to awọn ọkunrin 27,000, ti a pin si awọn ẹka mẹta ti o paṣẹ, lẹsẹsẹ, nipasẹ John McClerd 1st Division, CF Smith 2nd, ati Brig. Gbogbogbo Lewis Wallace 3rd. 