Who referred to the amendments of reconstruction as a "great constitutional revolution"? a. carl schurz. b. anson burlingame. c. abraham lincoln. d. charles sumner. e. mark twain?

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 two advances did europeans borrowed from china

What important waterway was controlled through the victory at fort crown point? the st. lawrence river the hudson river the great lakes lake champlain