Answer the question i posted earlier pls i need help

What project establish leonardo da vincis reputation as a creative and talented engineer

How did the treaty of versailles cripple germany after world war one ?

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