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The question is whether the sea located between Korea and Japan should be called the East Sea, clearly meaning East Sea of Korea since the sea is located to the east of Korea, or the Sea of Japan as Japan prefers to call for obvious reasons of economic advantages.

東海は半島の東の海という明確な意味があるが、日本は経済的なアドバンデージという曖昧な理由によって日本海と呼んでいる