 Complete the following phrase:  In the Eastern Theater, there were two major campaigns in Virginia. The first, the Western Virginia Campaign, started in May. Union forces commanded by Major General George B. McClellan invaded western Virginia and drove the Confederate forces from the area following a series of small skirmishes. Although these fights involved only a few hundred men on either side, the newspaper coverage of the campaign turned McClellan into a national hero. After McClellan was transferred to command the Army of the Potomac, Confederate General Robert E. Lee was assigned to drive the Union forces out of the state but failed to do so at 