By 1877 john d. rockefeller controlled 90 percent of oil refineries in the united states because of a. government subsidies. c. from the railroads. b. the purchase of competitors companies during poor economic times. d. the financial assistance from his father.

The 18th amendment banned the selling of alcohol and contributed to organized crime. true or false

10. how were the mycenaeans and the minoans similar? they did not enslave anyone or tolerate slavery in any form. they had an organized and strong central government. they designed and built heavily fortified settlements. they reigned and traded in and around the aegean sea.

Moral principles is what ? a. appreciation b. tariff c. fiscal d. ethics