Joseph is including information from the expert in a research paper on muckrakers role in the Progressive Era. Which sentence correctly paraphrases the excerpt?

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