Which of the following was TRUE regarding the American Industrial
Revolution?
A. Factory workers became the highest paid employees in
America.
B. Parts of mass-produced products became
interchangeable (replaceable).
C. The telephone would be replaced by the telegraph.
Working conditions in factories became safer.

B

Explanation:

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