How did john d. rockefeller gain control of the oil industry

by the early 1880s controlled some 90 percent of U.S. refineries and pipelines. Critics accused Rockefeller of engaging in unethical practices, such as predatory pricing and colluding with railroads to eliminate his competitors, in order to gain a monopoly in the industry

Explanation:

the monroe doctrine is the best known u.s. policy toward the western hemisphere. buried in a routine annual message delivered to congress by president james monroe in december 1823, the doctrine warns european nations that the united states would not tolerate further colonization or puppet monarchs.

design a political campaign for andrew jackson. include biographical facts about him as well as photographs. use the key words, “andrew jackson’s biography” to find out about him on the internet.include his education, military history, quotations from his speeches, and his views on the major issues with which he had to deal. be persuasive