Most of cerntral america is covered with what?

Unlike european immigrants, chinese immigrants in the 1800s faced

How did the growth of the middle class affect social reform during the industrial revolution?

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.