When did events in france become a revolution? specific evidence?

How was rockefeller able to build his monopoly across the oil industry? he found newer and cheaper ways to refine oil, increasing his profits. he confined his business to ohio so he could buy all the refineries there. he bought up oil refineries, cut costs, and reinvested his profits in other refineries. he began to sell kerosene as well as oil, expanding his market.

The pullman strike resulted in eugene debs receiving a pardon for his involvement. the company losing very little money. the company rehiring workers that withdrew from the union. other companies handling strikes themselves instead of going to court.

Answer the questions in the image for brainliest