He set up two states, Xiang and Yun, in Hetao area to induce Turks to surrender. Chiefs at all levels who are willing to join the army are worshipped as generals, corps commanders and imperial courts. There are more than 100 minority officials with more than five grades, accounting for almost half of all courtiers, and nearly 10,000 people have moved to Chang 'an one after another. This policy of Emperor Taizong quickly won the support and love of many ethnic groups around him. They regarded Emperor Taizong as "Tiankhan" (meaning "a leader as big as the sky") and respected him as a god.
This is the best way to strengthen mutual assistance and unity among ethnic groups in ancient times when racial consciousness is still strong!