During the Civil War, many African Americans joined the Union army to end slavery in the South. Toward the end of the war, about
(a. 10 b. 50 c. 35) percent of the total Union force was made up of black soldiers. However, they faced discrimination and did not receive pay equal to that of the white soldiers.(a. Frederick Douglass b. Albert Cashier c. James Henry Gooding) wrote a letter to President Abraham Lincoln protesting the unequal pay of black soldiers.
