During the Northern Wei Dynasty, what policies and measures did Feng Taihou and Emperor Xiaowen implement respectively, thus promoting national integration?

First, it is forbidden for Xianbei nobles to wear Hu clothes, and all of them will wear Hanfu. Second, it is forbidden for Xianbei nobles to speak Xianbei language, and all of them will speak Chinese instead. (People over the age of 30 are used to using Xianbei language and can be allowed not to change immediately; However, North Korea does not allow people and officials under the age of 30 to continue to use Xianbei language, and those who knowingly violate it will be demoted or dismissed. ) Third: Officials and their families must wear Hanfu. Fourth, the Xianbei nationality was changed to the Han nationality, and the royal family was changed from Xing Tuoba to Yuan. Fifth, encourage Xianbei nobles to intermarry with Han nobles. Sixth: adopt the official system and laws of the Han nationality. Seventh, learn the etiquette of the Han nationality, respect Confucius, govern the country with filial piety, and advocate the atmosphere of respecting the elderly. Eighth: Emperor Xiaowen stipulated that all Xianbei people who moved to Luoyang should take Luoyang as their native place; Xianbei people who died in Luoyang must be buried in Mangshan Mountain near Luoyang and are not allowed to be transported back to Pingcheng for burial.