Can someone plz help me?

What are the strengths of the byzantine empire?

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.

How does wards description of the roman government compare to polybius description in sorce 1 and millars description in source 2