Match each generation of computers with its features.
used vacuum tubes
used transistors
used integrated circui
second-generation computers
third-generation computers
first-generation computers

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