 Complete the following phrase:  Jacksons orders from Johnston were to avoid general combat because he was seriously outnumbered, but at the same time he was to keep Banks occupied enough to prevent the detachment of troops to reinforce McClellan on the Peninsula. Receiving incorrect intelligence, Banks concluded that Jackson had left the Valley, and he proceeded to move east, back to the vicinity of Washington. Jackson was dismayed at this movement because Banks was doing exactly what Jackson had been directed to prevent. When Ashby reported that only a few infantry regiments and some artillery of Bankss corps remained at Winchester, Jackson decided to attack the Union detachment in an attempt to force the remainder of Bankss corps to return. But Ashbys information was incorrect; actually, an entire Union division was still stationed in the town. At the 