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Since the Korean War, North Korea has been one of the most isolated and secretive countries in the world. Its government is a totalitarian dictatorship and its people live under a strict social control system. Despite its small size, North Korea has a large military and nuclear arsenal. It also has a history of aggression towards its neighbors, which has led to international sanctions and isolation. In recent years, North Korea has made some progress in economic development and relations with the outside world, but it remains an unpredictable and dangerous country.