 Complete the following phrase:  Jackson performed exceptionally well in the campaigns in the Shedoah Valley in 1862. Despite an initial defeat due largely to faulty intelligence, through swift and careful maneuvers Jackson was able to defeat three separate Union armies and prevent any of them from reinforcing General George B. McClellans Army of the Potomac in its campaign against Richmond. Jackson then quickly moved his three divisions to reinforce General Lees Army of Northern Virginia in defense of Richmond. He performed poorly in the Seven Days Battles against George B. McClellans Army of the Potomac, as he was frequently late arriving on the field. During the Northern Virginia Campaign that summer, Jacksons troops captured and destroyed an important supply depot for General John Popes Army of Virginia, and then withstood repeated assaults from Popes troops at the Second Battle of Bull Run. Jacksons troops played a prominent role in Septembers Maryland Campaign, 