14. How can the events leading to the independence of Brazil best be described? O A. It was the first successful revolt of enslaved people in history.
O B. It was a nonviolent transfer of power to a Portuguese prince.
O C. It was a tumultuous revolution that went through several phases.
O D. It was an organized effort to establish a new democracy.

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.