Why was the 54th Massachusetts Regiment famous?

Question

(1 point)
Responses

It was an African American unit that was noted for heroism in battle.
It was an African American unit that was noted for heroism in battle.
It was a Union replacement unit that turned the tide at the Battle of Gettysburg.
It was a Union replacement unit that turned the tide at the Battle of Gettysburg.
It was composed of men under the age of 20.
It was composed of men under the age of 20.
It was the only integrated unit during the Civil War.

Answer 1

It was an African American unit that was noted for heroism in battle.