Where do the Democrats and Republicans officially nominate their candidate?

Put the events of the cuban missile crisis in the correct sequence

In ohio in 1872, the cleveland massacre was a)a violent labor dispute at standard oil refineries in cleveland. b)a takeover by standard oil of the refineries in cleveland. c)an attempt to stop standard oil from becoming a monopoly. d)a failed attempt by standard oil to take over other refineries.

Wha industry did the refrigerated rail car impact the most