Answer: This answer is from the website DocsTeach
Explanation: According to this source it says "Black soldiers were initially paid $10 per month, minus $3 for clothing, resulting in $7 net pay. White soldiers received $13 per month net. Congress granted equal pay to the U.S. Colored Troops in June 1864 and made the pay retroactive."
Remember this answer is from the internet
Hope this helps!