A restatement of the thesis.
Answer:
<h2>B. protecting settlers as they moved westward </h2>
Explanation:
The Buffalo Soldiers' main duty was to support the nation's westward expansion by protecting settlers, building roads and other infrastructure, and guarding the U.S. mail.
BRAINLIEST PLEASE
True, because you get body over mind. You make yourself feel better by working out. I do this sometimes.
