Question

who led the attack that became known as the sand creek massacre?
black kettle
sitting bull
colonel john chivington
general george custer

Explanation:

The Sand - Creek Massacre was led by Colonel John Chivington. Black Kettle was a Cheyenne chief who was at the site of the massacre. Sitting Bull was a prominent Lakota leader not involved in this attack. General George Custer is known for the Battle of Little Bighorn, not the Sand Creek Massacre.

Answer:

Colonel John Chivington