The Republic of Korea (or more accurately, the Koryo Group) made it clear that their goal wasn’t harmony between nations and ethnicities but conquest.
To emphasize the distinction between Koreans and Chinese,
they insisted on pronouncing foreign place names in their native tongues.

Naturally, this drew massive criticism from the UN and other global organizations,
but as the biggest winner of World War III,
having gained vast territories and resources, South Korea brushed off the outcry.

That’s why Dalian is still called Dalian.

This was a statement of confidence—
Confidence that they could maintain dominance …