Which invention was most important in revolutionizing the meat industry? air brakes knuckle couplers the Pullman car the refrigerator car

In ww1 where did france find laborers to with their war movement? ? & what country did the french fear?

The political, economic, or cultural environment that surrounds an event provides the event with its

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