In the early middle ages, civilizations in different regions began to expand. what are some of the reasons a civilization may seek to expand its power and influence? do you think expansion always leads to conflict? why or why not?

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

the right answer is the constitution