Why was long-distance transportation important for the united states economy in the 1800s

The date a source was created is considered part of its historical context intended audience purpose point of view

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.

What are contributions made by rene descartes