A yes finally someone in a virtual reality manga/manhua with 8th grader syndrome. Was wondering why they don't get shown especially when I can see that happen if such technology was introduced in real life.
Naval Diplomacy?!
Also, this reminds me of the time where Japan went full isolationist and the US forced them to open their country via Naval Diplomacy.
And maybe we will even see colonies or something from "advanced" nations.