What was the first book to roll of the print press in 1455 ? how many copies were sold .

In 1819, what did the united states obtain from spain for $5 million?

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

Explain how concentrating solar power (csp) technology works