Why was the 54th Massachusetts regiment famous?

I answered it was composed of men under the age of 20 which was the wrong answer. The right answer was it was an African-American unit that was noted for her was an in battle. Can you explain to me why my answer was wrong and the other answer was correct

Your answer stated that the 54th Massachusetts regiment was composed of men under the age of 20, but that is not accurate. The men in the regiment were primarily African-Americans, not specifically young men.

The correct answer is that the 54th Massachusetts regiment was famous because it was one of the first African-American units to be formed during the American Civil War. It gained recognition for its bravery and valor in battle, specifically during the assault on Fort Wagner in South Carolina. The 54th Massachusetts regiment's courageous and determined participation in that battle, even in the face of heavy casualties, highlighted the bravery and military capability of African-American soldiers.