Evaluate the role of trade in Central Asia in 600 BCE-600 CE. Please be as specific as possible I have to write an essay. I'm acting multiple questions so I can get as much detail as possible.

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.