The official ideology of North Korea is no longer Communism. It is now Juche -- literally "self-reliance," but used here to mean "economic autarky" -- the idea that a country should be able to get along entirely on its own resources, with no foreign trade at all. No tourism industry, either.
That appears to be what Trump has in mind for the U.S., though of course he wouldn't know the word.
That appears to be what Trump has in mind for the U.S., though of course he wouldn't know the word.