(A) ** Confederates
(B) Union
EXPLANATIONS BELOW
Concept note-1: -Federal forces under General Irvin McDowell attempted to flank Confederate positions by crossing Bull Run but were turned back. The end result of the battle was a Confederate victory and Federal forces retreated to the defenses of Washington, DC.
Concept note-2: -It was a Confederate victory, followed by a disorganized retreat of the Union forces.
Concept note-3: -Fairfax County and Prince William County, VA | Jul 21, 1861. Bull Run was the first full-scale battle of the Civil War. The fierce fight there forced both the North and South to face the sobering reality that the war would be long and bloody.