Americans produce 50 computers or 50 TVs per hour. Chinese produce 30 computers or 40 TVs per hour (Economics) Comparative advantage practice

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

hi!

your correct answer would be a

~courtney

a memoir is the correct answer