Final answer:
The Harlem Hellfighters distinguished themselves with their bravery and musical talents while in Europe.
Step-by-step explanation:
The Harlem Hellfighters, an African-American infantry unit during World War I, distinguished themselves with their bravery and musical talents while in Europe. They were known for their fearlessness on the battlefield, earning a reputation as one of the most courageous units in the war. Additionally, the Harlem Hellfighters were also recognized for their musical talents, forming a regimental band that performed for both American and European audiences.
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