Respuesta :
Buffalo soldiers were African American soldiers who mainly served on the Western frontier following the American Civil War.
The correct answer therefore must be choice A. African American U.S. cavalry units that fought against Comanche.
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Answer:
The Buffalo soldiers were African American U.S. cavalry units that fought against Comanche.
Explanation:
Buffalo soldier was originally the name given by Native Americans to the African-American soldiers from the 9th and 10th cavalry regiments who participated in the Indian wars. The use of the nomination extended to all African-American troops that served in the regiments founded during the Civil War, including the 24th and 25th Infantry Regiments.