...That movement on March 4th and the bridge building, which did not deceive Johnston nor arrest his preparations for leaving Centreville, but rather quickened them, set the ball in motion. A brigade, E. Kirby Smith 's, stationed at Fairfax and vicinity, retired as I advanced and soon after joined the main Confederate army at Manassas Junction. The news, a few days later, came: Centreville is evacuated. It...