Answer:D
Explanation: I actually just finished this book and did this question so this is the answer that my teacher marked correct
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
B. he pauses to listen for voices y because he wants to know who it is
