Respuesta :

linekemalloy
The 54th Regiment Massachusetts Volunteer Infantry, nicknamed the "Swamp Angels", was an infantry regiment that saw extensive service in the Union Army during the American Civil War. The regiment was one of the first official African-American units in the United States during the Civil War.
francocanacari

Answer:

During the American Civil War, the 54th Massachusetts regiment is most noteworthy for being entirely formed by African-American soldiers.

Explanation:

The 54th Massachusetts Infantry Regiment was the first regular military unit in US history that consisted entirely of African Americans, with the exception of officers. It was created in 1863 in order to strengthen the Army of the Union that was at war with the Confederacy, during the Civil War.