How did the cold war impact life in Europe? I just need some general ideas to get started on reasearch for an essay as I'm kind of stuck right now. Thanks!

How did fundamentalism and nativism affect society in the 1920s

The collapse of the roman empire most likely to empower the catholic church because

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.