Emperor Taizong: Emperor Taizong was a good emperor, politician, strategist, calligrapher and poet. When he was young, he led the army to the world and made great contributions to the reunification of the Tang Dynasty. He was named King of Qin and General Ce Tian. After Xuanwumen ascended the throne in 626, he created the famous rule of Zhenguan. He was humble and able to be a minister. [3] He was thrifty, politically clear and frivolous, which enabled the people to recuperate, all ethnic groups to live in harmony, prosper the country and the people, expand the territory to the outside world, attack the Tang Empire on all sides, annex Wan Li, destroy East Turkistan and Xue Yantuo, hit Goguryeo hard and establish Anxi. Really made a good emperor who came to Korea from all over the world and was all-round in civil and military affairs.