Where did the plague of the fourteenth century originate?
africa
south america
the united states
asia

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 does the case of mary dyer in 1660 illustrate? a. puritans practiced a fierce rhetoric but were lenient in practice. b. quakers had a tenuous grasp on the social realities of the english colonies. c. quakers were willing to defy authority even at their own personal risk and expense. d. quakers practiced their religion without a church and without clergy.

The internal combustion engine was an innovation of