One thing that contributed to the Sand Creek Massacre was the discovery of gold in Colorado.
When gold was discovered in Colorado, White settlers began to move into what was Indian territory.
There was then a conflict for the control of the land and this led to an unfortunate incident where Colonel John Chivington led his men to massacre peaceful Native Americans.
Find out more on the Sand Creek Massacre at https://brainly.com/question/10353719.
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