It proved that black troops could fight bravely and well is true about the 54th Massachusetts Regiment. Option B is correct.
Fifty-fourth Massachusetts Volunteer Infantry Regiment, constituted the Massachusetts infantry unit comprised of African Americans that was active during the American Civil War (1861–65).
The abolitionist governor of Massachusetts, John Andrew, assembled the 54th Regiment in 1863 after being authorized by U.S. Secretary of War Edwin Stanton.
