Identify the three major challenges during the Gilded Age?

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What was the primary concern for the missouri statehood question

How did americans disagree over the role of federal and state goverment before and durning the civil war

In ohio in 1872, the cleveland massacre was a)a violent labor dispute at standard oil refineries in cleveland. b)a takeover by standard oil of the refineries in cleveland. c)an attempt to stop standard oil from becoming a monopoly. d)a failed attempt by standard oil to take over other refineries.