​What impact did Mikhail Gorbachev’s ideas of glasnost (openness), perestroika (restructuring) and demokratizatsiia (democratization) have on Communist society?

What impact did Mikhail Gorbachev’s ideas of glasnost (openness), perestroika (restructuring) and demokratizatsiia (democratization) have on Communist society? Were these principles compatible with collectivization and a command economy? Did Communist leaders favor these principles, or did they feel that their hands were tied once they were introduced into Communist society?

150 words minimum; 2 sources

It would be easy to dismiss the Cold War simply as proof that Capitalism was a better theory than Communism. Easy, but not the whole story. In order for Communism to be relegated to the dustbin of history, it first had to be proven that its struggle against Capitalism was unnecessary and thus irrelevant. How did the US and the USSR close the gap in the last quarter of the 20th Century to allow Communism to go out with a whimper and not a bang?

150 words minimum; 2 sources