Omar wizard of Perisa whre did it take place

In order to maintain national security within its colonies in america, england constructed a series of forts along colonial boundaries for protection. true false

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 two advances did europeans borrowed from china