Hlp me please.

Which statement accurately describes an accomplishment of Emperor Yangdi that helped bring the Chinese together as one people?

A.

He brought a patchwork of small kingdoms under one rule by rebuilding the army.

B.

He helped spread Buddhism throughout Mongolia and Southeast Asia.

C.

He built a vast network of canals for trade and communication, known as the Grand Canal.

D.

He convinced Marco Polo to share the technology of Western Europe with all regions of China.

How did the mexican war of independence differ from the american revolution? o a. only the american revolution was concerned with establishing a representative form of government. o b. only the mexican war of independence required military conflict to achieve its objectives. o c. only the american revolution succeeded in replacing a monarchy with another form of government. o d. only the mexican war of independence eliminated spanish colonial control over part of north america.