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Answer: C. They were scared that the war would resume and didn't want to get their hopes up.
Explanation: I know this is late but may it help someone.
The sioux indian attacks on stagecoach lines.
<span>The causes of the Sand Creek massacre
were rooted in the long conflict for control of the Great Plains of
eastern Colorado. The Fort Laramie Treaty of 1851 guaranteed ownership
of the area north of the Arkansas River to the Nebraska border to the
Cheyenne and Arapahoe -that part was sighted off history.com- </span>
The answer is C. Alexander the Great, a famous ruler and conqueror whose expanded his empire by conquering lands like the Persian Empire, Egypt, and Mesopotamia.