The Union General who assumed command of the army during the last year of the war was ShermanMcClellanGrant.
The
answer is Grant. Lincoln was desperate
to find a general capable of taking the fight to the Confederacy. When he saw Grant’s accomplishments in
Donaldson and Vicksburg, he decided to make him commander of the Union
army. He fought Lee every step of the
way and with Sherman’s support, led the Union to victory.