What do you mean by graphs?

During the cold war, the united states was involved in certain regional conflicts due to fears later called the domino theory, which stated which concept?

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.

Why did reagan have the united stars invade grenada