It seems speculative. How do you know that, should there have been no sanctions, these free enterprise systems would not have been introduced anyway? Or even kn

It seems speculative. How do you know that, should there have been no sanctions, these free enterprise systems would not have been introduced anyway? Or even know that would not have been developed more than they are now? With so many huge changes both inside and outside DPRK during the past decades, to credit the gradual introduction free market systems to sanctions seems tendentious.