The monroe doctrine stated that the united states could do everything except:

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.

This map is depicting the 16th century route of what explorer

Which best expresses the radical republican philosophy of reconstruction?