Which statement describes one way that the U. S. government's supported the completion of the nation's railroads? They provided much of the land.

They set prices for fares

They managed quality control.

They arranged for free advertising.

they provided much of the land

Explanation:

I just took the quiz and that’s the answer

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