during the early years of roman expansion, what city was the only rival of rome for power in the mediterranean

Which of the following is one example of an ideological conflict that became one of the causes of world war ii?

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.

Brainliesttt !me : ) why were the eastern european countries attempting to break free of the soviet union?