To the degree that Korea isn't free, it's is because they've spent their entire existence at war with the largest and most powerful global empire in history and have been cut off from international trade.
The US isn't free because it's a fascist state. The Korean peninsula isn't free also because the US is a fascist state.
Now let's hear your next vapid quip that's supposed to mean more than objective facts and inarguable history, redditor. I don't want you to lose even a bit of steam acting like you're the smartest person in the room while displaying no knowledge about anything.