During the 1840s and 1850s, which set of immigrant groups arrived in unprecedented numbers, resulting in a nativist backlash in popular culture?

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