1) Who fought at the Battle of Marathon and the Battle of Salamis?

In an effort to end the civil war, in 1864 the union planned to

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.

According to the map, most mining occurs in the a.northern b.southern c.eastern d.western