What are the similarities between Nelson Mandela and Mahatma Gandhi?​

What made the settlement of oklahoma territory different from that of other territories

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.

Somebody save the ! what was greek math and science also medicine