The concept of national sovereignty was established by:
a. the european invasion of the holy lands. b. the treaty of westphalia. c. the protestant reformation. d. the peace of augsburg. an: b

One argument of those who supported the gold standard system in the united states was that the gold standard

Which native american tribe allied with the spanish?

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.