Which best describes the rising prosperity under the Song Dynasty?

hope it helps..

Explanation:

An emphasis on agriculture and trade resulted in a better life for most.

the great wall of china worked as a defense for the feudal states of the zhou dynasty to the north. during the warring states period more walls were put up to defend the borders of the different kingdoms. it was semi successful because despite the wall, the mongols eventually conquered china also the great wall provided protection to the economic development and cultural progress, safeguarded the trading routes such as the silk road, and secured transmission of information and transportation. @jayxboof

some american cities felt workers were being oppressed by business monopolies