What was Germany's “perfect plan" for Europe before WW1?

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.

Which piece of information would most a historian create an interpretation of this photograph of works in a factory?

Brainliest answer is provided who made this world? who made us? who made everything?