Answer:
c. They rejected Confucian principles in favor of a Mongol-style tribal council.
Explanation:
The Manchus are from Eastern China in the region of Manchuria, they are into animal husbandry and established the Qing dynasty, they spoke different languages and had different cultural practices from their ethnic Chinese subjects. However, with time, they were assimilated into the Chinese culture. They favoured the Confucian principle of tribal council.