Which was an important advancement made by the Maya that the Gupta of India also made in a different part of the world? A) the concept of zero
B) an accurate map of the world
C) the invention of gun powder
D) the invention of the mechanical clock

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

no because we were not ready for war

um how much

cultural history is your answer