What different religious beliefs did the arabs have prior to the revelations of muhammad?

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.

Rachel carson 1962 silent spring was a groundbreaking work regarding what topic

Which man believed that african americans should actively fight for the rights they deserve, even if they put their lives in danger?