I've always wondered what would have happened to Japan if the US forced them to allow EU-style free movement between the two (or more?) countries while they were drafting their new constitution. Please note I'm not suggesting the US should have done that, just noting it wouldn't have been that wildly different than the US and Puerto Rico just a few decades earlier. I'm not a history buff and I'm sure it's way more nu…
Even today, a flight from the US west coast to Japan is ~11 hours one way and involves losing a day due to the international dateline. So you lose about 3 days just flying back and forth. And costs nearly a thousand dollars for economy class.
For most people, it’s not really an easy trip in the same way a hop to Lisbon from London might be. Now imagine that with prop planes.