When did the region formerly known as indian territory begin to use the name oklahoma? during early settlements during the indian removal with the separation from the union as arrangements were being made during reconstruction

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.