Options:
☐ the Battle of Bear Valley
☐ the Sand Creek Massacre
☐ the Battle of Little Bighorn
☐ the Wounded Knee Massacre
✔Answer✔:
☐ the Battle of Bear Valley
☐ the Sand Creek Massacre
☑ the Battle of Little Bighorn
☐ the Wounded Knee Massacre
(The answer has a ☑ instead of a ☐)