(A) ** It was the first major land battle of the war
(B) It was the first major land battle of the war won by the Union
(C) It was the longest battle of the Civil War
(D) ** It made both sides of the war realize that the Civil War would be much longer and bloodier than previously thought
EXPLANATIONS BELOW
Concept note-1: -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.
Concept note-2: -The end result of the battle was a Confederate victory and Federal forces retreated to the defenses of Washington, DC. One week later, General George McClellan was appointed head of the Army of the Potomac.
Concept note-3: -Quick Facts Date Started: The battle started on Sunday, July 21, 1861. Date Ended: The fighting ended on July 21, 1861. Location: The battle took place in Fairfax County And Prince William County, Virginia. Civil War Campaign: The First Battle of Bull Run was part of the Manassas Campaign of 1861.