The Hua - Yi distinction in this case was the duel between Qi and Chu .
In addition , the author of Gongyang Zhuan , Gongyang Gao praised Duke Huan of Qi for saving central plain states from Chu 's expansion .
The Hua - Yi distinction in this case was the duel between Duke Huan of Qi and Chu .
In addition , the author of Gongyang Zhuan , Gongyang Gao praised Duke Huan of Qi for saving central plain states from Chu 's expansion .