Western Theater of the American Civil War heart of the Confederacy. Bragg, whose personal friendship with Confederate President Jefferson Davis saved his command following his defeats at Perryville and Stones River, was finally relieved of duty and replaced by General Joseph E. Johnston. In March 1864, Grant was promoted to lieutenant general and went east to assume command of all the Union armies. Sherman succeeded him in command of the Military Division of the Mississippi. Grant devised a strategy for simultaneous advances across the Confederacy. It was intended to destroy or fix Robert E. Lee's army in Virginia with three major thrusts (under Meade, Butler, and Sigel)
Army of Northern Virginia and James Longstreet as division commanders. Beauregard quarreled with Johnston and was transferred to the Western theater over the winter months. Jackson was sent to the Shenandoah Valley in October 1861, initially with his own old Stonewall Brigade and later with two other brigades from Western Virginia. Several newly arrived brigades were added to Johnston's army in late 1861-early 1862. When the Peninsula Campaign began, Johnston took his army down to the Richmond environs where it was merged with several smaller Confederate commands, including a division led by D.H. Hill as well as Benjamin Huger's Department of Norfolk, John Magruder's