The ice at north pole and south pole

Dramatic occurs when kate and captain keller do not know that annie is locked in her room, but the reader/audience and james know that helen locked her in there.

Explain urbanization and industrialization enabled the dramatic change in american culture?

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.