In short, the ancestors of South Korea created the four major civilizations. Without their ancestors, the four major civilizations wouldn't be where they were today.
In her past life, Ye Jian was busy running around for her life. She didn't have the luxury to pay attention to other things. She didn't even pay much attention to the country's matters. Even so, she knew about the Koreans. This showed how ridiculous the Koreans' understanding of 'history' was.
Tian Qin smiled too. She replied in fluent Korean, "It looks like your country needs to learn official history. Only by learning official history can you broaden your horizons and be more accepting of everything."
The last part was spoken in Chinese. It couldn't be helped. There were no such words in the Korean language. Until now, the Koreans still had to use Chinese to pronounce idioms.
