What was the immigrant experience like? how did it differ depending on where the immigrants were from?

Which statement best describes a contribution of the works of nicolas copernicus and galileo galilei?

Members of the common school movement believed that

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.