Which of these is the most important event from the middle of the story ?

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.

In which ways did the durbar of 1877 mark a change for india? in which ways did india’s situation remain the same?

The event shown in the map is a cause of which of the following? *pic*gadsden purchase battle of the alamo bear flag revolt settlement of texas