How did the colonists react to the proclamation line of 1763?

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.

Which phrase describes one of the reforms the national convention made up to improve the lives of ordinary french people

Which one of the following statements best characterizes change to agriculture in the united states since 1900