What major economic practice began during the Middle Ages?

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Which british law required americans to house and feed british troops? sugar and molasses actstamp actnavigation actsquartering act

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.