In the 1920s the Sacco and Vanzetti trial and the actions of the Ku Klux Klan showed that

Use the drop-down menu to complete the sentence. increased competition between producers of a good may lead to

Briefly discuss radical republicans' characteristics and their roles in advancing rights for black americans.

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.