Why did many african americans migrate to northern and midwestern cities? a. many african americans were looking for job opportunities. b. african americans would not face any racism there. c. the government offered aid to people who moved north. d. all of the above

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