When did the first supermarkets appear in the USA?

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.

He government, which was designed for the people, has got into the hands of bosses and their employers, the special interests. an invisible empire has been set up above the forms of democracy. –woodrow wilson who or what does wilson believe is controlling the us government?

How many senators are there from each state? a. two c. one b. three d. the number depends on the state’s population