Question

What man made structure best reunified northern and southern China after the earring states

Answer 1

The Great Wall of China played a crucial role in reuniting northern and southern China after the warring states period. It not only provided a formidable defense against external threats but also served as a unifying symbol for the Chinese people.

Step-by-step explanation:

Answer 2

The Grand Canal was the man-made structure that played a significant role in reunifying northern and southern China, completed in the Sui Dynasty under Emperor Yang Di.

Step-by-step explanation:

The man-made structure that best reunified northern and southern China after the period of the warring states was the Grand Canal. Its completion during Emperor Yang Di's reign in 609 was a pivotal achievement in the Sui Dynasty, knitting together the deeply divided regions economically and culturally.

The Grand Canal facilitated the movement of foodstuffs and supplies between the north and the south on an unprecedented scale, contributing to a more united and pluralistic empire under both the Sui and later the Tang dynasties.