Read the selection from the article.
Black soldiers were initially paid $10 per month from which $3 was automatically subtracted for clothing, resulting in a net pay of $7. In contrast, white soldiers received $13 per month from which no clothing allowance was drawn. In June 1864, Congress granted equal pay to the U.S. Colored Troops and made the action retroactive. Black soldiers received the same rations and supplies. In addition, they received comparable medical care.
Which of the following can be inferred from the selection above?