The correct answer is "hostilities between American Indians and the Colorado militia."
The Wounded Knee Massacre, which occurred in 1890, was a confrontation between Native Americans who belonged to the Minincojou and the Hunkpapa Lakotas and the Colorado Militia, led by Colonel James Forsyth.
As a result of this battle, nearly 300 Native Americans and 25 American soldiers died. In 1990, the US Congress passed a resolution expressing a "deep regret" for the massacre.
They are totally different people
Number one: You're answer is D. The government controlled everything, due to it being Communist.
Number two: The answer is C. When oil lost it's price dramatically, the USSR's economy fell and it could no longer control the Middle East as well as before
Number Three: The answer is A. Socialist republic Russia today isn't officially a communist country. But there are many communist factors, and traits that it is using right now.