Senator henry clay proposed a policy that called for high tariffs, support for the national bank, and transportation improvements in the country. his plan was known as the .

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.

What were the sites of three major battles the french army fought between 1805 and 1809?

The car market is an example of because it has few sellers who offer differentiated products. a.oligopoly b.monopoly c.monopolistic competition