All of the Following Statements About the Formation of Black

All of the following statements about the formation of black army units are true,EXCEPT that:

A) black army units never saw any significant action.
B) the U.S.War Department Bureau of Colored Troops recruited free blacks and freed slaves,80 percent of whom came from southern states.
C) blacks were paid less than their white counterparts.
D) blacks could not be commissioned officers.
E) only after the Emancipation Proclamation did the Union army recruit blacks in large numbers.