what do you expect from a country which has a population 27times smaller than china?? i am actually surprised that most of your history, you were slaves of other races despite having such large population and large land. And for your information, the relationship between US and Korea is an...
your proud chinese history
slave of xiongnu during han dynasty
slave of nomads during 16 kingdoms
slave of mongolians during southern and northern dynasties
slave of tibetians during the tang dynasty(they even ate your capital LOL)
slave of khitans during liao dynasty
slave of manchurians...