Paper film was too flimsy so they invented this to use in their cameras.

How did geography influence the development of the byzantine empire?

The three estates social system in france ensured balanced representation of all people and treated each social group fairly. true or false ? why?

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.