In 1991 the Soviet Union collapsed MAINLY because

A)
key Soviet leaders were assassinated.

B)
a civil war erupted in the southern republics.

C)
the United States was a better country and capitalism ruled the world.

D)
years of economic stagnation left it far behind Western and Asian

 D

Explanation: Although you could argue it was C. None of these are the real reason why. The main problem was the fact that Democracy was spreading around the world and when Gorbachev established multi-party election systems, and these systems would eventual force him to resign and make several independent states and the country we know as "mother Russia"(glory, greatest country). However, the economy was crippling and the west and east both had better opportunity for the people.

if the government does something the people dont like i tihnk threre would be a revolt