Question

Which statement accurately describes an accomplishment of Emperor Yangdi that helped bring the Chinese together as one people?
A. He helped spread Buddhism throughout Mongolia and Southeast Asia.
B. He brought a patchwork of small kingdoms under one rule by rebuilding the army.
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.