I'm not sure you realize how much the world is connected now. Look up tanker ship traffic to realize how much things go back and forth. Locking up a country to

I'm not sure you realize how much the world is connected now. Look up tanker ship traffic to realize how much things go back and forth. Locking up a country to outsiders is fantasy, and a terrible horrible idea. Even North Korea trades with anyone it can. Also, good luck securing the Southern Border. Retarding your economy, will cause far more death than the 1% claimed for Covid.