which statement about the 54th massachusetts regiment is true?
a. it was commanded by a young black officer.
b. it was the only black unit in the union army.
c. it proved that blacks were brave and capable soldiers.
d. it was not permitted to go into combat.

C. It proved that blacks were brave and capable soldiers.

Explanation:

The 54th Massachusetts Volunteer Infantry Regiment was an infantry regiment with extensive service in the Union Army during the American Civil War. This regiment was one of the first official units formed by people of color in the United States during the Civil War. The conscripts of the 1st Volunteer Regiment of South Carolina (Union) consisted of freed slaves, it was the first regiment of the Union Army in which their ranks had African-American soldiers in the Civil War, although many they had fought in the War of Independence of the United States and the War of 1812 on both sides.

responsibilities im assuming