Can someone please help paraphrase please please ?

Which statement regarding the distribution of wealth by the mid-19th century is most accurate?

I’m annoyed but glad that my history teacher left and quit her job as a teacher to become a flight attendant

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.