The dispute is over whether a 2,000-year-old kingdom, whose lands covered much of the Korean peninsula as well as parts of China, was an ancient Korean royal house or a vassal of China.

• 争端在于一个2000年历史的王朝（可能是指高句丽），这个王朝覆盖了朝鲜半岛和部分中国的土地，是原本正统的朝鲜王室还是附属于中国的王朝？