20XX: China and North Korea topple?

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So, I've been thinking that China and North Korea might fall in the future, because all empires come to an end one day, right? You know, China's been doing good as a result of Capitalism, but they don't seem to be mentioning it on anything. I'm sure that China might fall to the pressure of capitalism and become a full-blown free enterprise system or go gradually. For North Korea, there might be an eventual uprising by the people or by the military. I've heard that many North Koreans got hold of pirated movies and got a glimpse of the better world outside those walls. I've also heard on the news that a lucky few got out of there by boat and escaped to South Korea or Japan. Do you think that these two authoritarian states might one day come to their senses?