1. Failure to Adapt
Despite the relevance of all the reasons presented before, the main reason communism failed in the Soviet Union seems to be quite simple. When presented with the opportunity, the regime failed to adapt to the changing times, thus failing to evolve economically, socially, and even politically. Hence, whereas communist regimes in nations such as China transformed their systems into productive ones, and modernized their economy, the Soviet Union succumbed to the inefficiency of its outdated methods.
