(A) ** 200, 000
(B) 10, 000
(C) 4 Million
(D) None
EXPLANATIONS BELOW
Concept note-1: -By the end of the Civil War, roughly 179, 000 black men (10% of the Union Army) served as soldiers in the U.S. Army and another 19, 000 served in the Navy.
Concept note-2: -Blacks who shouldered arms for the Confederacy numbered more than 3, 000 but fewer than 10, 000, he said, among the hundreds of thousands of whites who served. Black laborers for the cause numbered from 20, 000 to 50, 000.
Concept note-3: -Enlistment strength for the Union Army is 2, 672, 341 which can be broken down as: 2, 489, 836 white soldiers. 178, 975 African American soldiers. 3, 530 Native American troops.