Hi everyone, i need in those two questions of the chinese history. quickly , it is due tomorrow. #1. why was the chinese invention of printing important? #2. what was one of the effects of the manufacture of paper? .

Hey!me its for an important test! ! which issue during the progressive era would most likely have united mary harris "mother” jones and lewis hine? a) ending child labor b) regulating monopolies c) using photography to expose poor working conditions d) exposing the lack of jobs available for untrained laborers