What methods do terrorists employ?

The nye committee report created the impression that america's entry into world war i was influenced by

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.

Answer the questions in the image for zoom in to read : )