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 only minor. Cooke's Brigade was assigned to serve with Heth's Division, Hampton's Division grew by a cavalry brigade and the Third Corps gained an additional artillery battalion. Imboden's Command remained at Shenandoah Valley and was taken over by Major General Early as the Defense District of Shenandoah Valley. The strength of the army was 54,715 men on December 31. The organization of the Army of Northern Virginia did not change until the end of the war. The Army featured several corps, the corps featured several divisions, and the artillery was divided between the corps. The strength of the Army grew