 Complete the following phrase:  In the winter of 186162, Johnsons army cooperated with Maj. Gen. Thomas J. Stonewall Jackson in the early stages of Jacksons Valley Campaign. While Jackson marched his army into the mountains of the present-day Eastern Panhandle of West Virginia to conduct raids on the Baltimore  Ohio Railroad, Johnson was tasked with protecting against a Union invasion of the upper, more elevated areas of the Shedoah Valley near Staunton, Virginia. His Army of the Northwest constructed a series of breastworks and trenches atop Shedoah Mountain which they named simply Fort Edward Johnson. At the 