What impact did WWII have on Americans not fighting in the foreign war?

How did the nazis go about exterminating the approximately 11 million people who died in the holocaust?

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.

What artifact did modern scholars study to them understand hieroglyphics