Can somebody help me with this?

Question

Why was the 54th Massachusetts Regiment famous?

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

For connexus.

Answer 1

Nah I'm good

Answer 2

can anyone answer this question plssss