Japanese and Mongolians might have been irresponsible jerks in of how they killed all males and impregnated all females but if it was not for such conquests Asia would have been like South America.
Korean Costumes are identical to what Europeans wore during 16th to 17th centuries and European sailors of such a time described Shandong, Kamchatka, and Korea as "Land of Gigantics".
What is important to realize is how Koreans are genetically part European of White Race or Caucasians to frustrate Altaics of both Mongolian and Japanese overlords similar to how Scotch of Scotland are part East Canadian American Indian tribe Eskimos to frustrate British overlords of London England.
Both are highland hydroelectric regions essential for electrochemical industries.