CHAPTER XXI.

REORGANIZATION AND REST FOR BOTH ARMIES.

The Confederates appoint Seven Lieutenant-Generals--The Army of Northern Virginia organized in Corps--General McClellan relieved, and General Burnside appointed Commander of the Army of the Potomac--A Lift for the South--McClellan was growing-- Burnside's "Three Grand Divisions"--The Campaign of the Rappahannock--Getting Ready for Fredericksburg--Longstreet occupies Fredericksburg--The Town called to surrender by General Sumner--Exodus of the Inhabitants under a Threat to shell the Town 290