Which geographic features impacted the development of Greece? A) Rivers flooded routinely but valleys gave fertile land for farming

B) The cold climate made farming difficult and seas united city-states

C) Mountains isolated the city-states and seas allowed easy access to trade

D) River valleys made farming easy and the desert isolated Greece from other
civilizations

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 mass production of steel reduced its price and led to its use in many industries.