Which is not considered a technological improvement that connect hawaii to the rest of the nation?

Concerns of the spanish treatment of what nation lead to the spanish american war

Where were the trials to review evidence in cases against high-ranking nazi officials accused of war crimes held?

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.