The answer is C. the division of powers between national govern and state govern
Nobles and knights were obliged to protect those who lived on the manor and provide personal and military service to the king.
Um i'm not sure u should look it up on google
He restored a strong central government. Under the next two dynasties, the Tang and the Song, China experienced a prolonged golden age. It became the richest, most powerful, and most advanced country in the world. Wendi declared himself the first emperor of the Sui (sway) Dynasty.
