Which event prompted the investigation that led to these findings? The Cuban Missile Crisis
The Iran hostage crisis
The bombing of Pearl Harbor
The September 11 terrorist
attacks

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.