Which Is True of Black Soldiers Fighting for the Union

Which is true of black soldiers fighting for the Union army during the Civil War?

A) They developed a reputation for being vicious and ruthless warriors.
B) Most were drafted into service.
C) They performed the same duties as white soldiers from the outset, but at lower pay.
D) Their accomplishments contributed to the evolution of Lincoln's ideas concerning equal rights before the law.
E) They enjoyed more equality with whites in the army than in the navy.