1. How is the concept of the Renaissance relevant to the early twenty-first century?

i don't know why don't you google it?

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

answer; i believe the correct answer is ( quakers);

a.

congress passed laws allowing for free passage between states.