(A) 50, 000
(B) 60, 000
(C) ** 70, 000
(D) 80, 000
EXPLANATIONS BELOW
Concept note-1: -The Union forces present on the field on August 29–30, 1862, numbered about 70, 000, while the strength of Lee’s army on the same dates was about 55, 000. Total casualties for the battle topped 22, 000, with Union losses numbering 13, 824.
Concept note-2: -The total number of Union troops present at the First Battle of Bull Run was about 35, 000 although only about 18, 000 were actually engaged.
Concept note-3: -Union Major General John Pope lost about 15, 000 men in the Second Battle of Bull Run (Manassas), along with his reputation. Relieved of command, he was sent to the Army’s Department of the Northwest for the remainder of the Civil War.