SAT US History Practice Question

All of the following statements about African American troops in the Civil War are true EXCEPT

1. A.they fought on the front lines in battles.
2. B.they received pay equal to that of the white troops throughout the war.
3. C.they were always under the command of white officers.
4. D.many of them were runaway slaves, who were called "contraband" by Lincoln.
5. E.they often served as workers in the rear of battles.