What are economic products?

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.

Underline the sentence that describes washington's first cabinet. what branch of the government is the cabinet in?

The bolded red line on the map above is the a. tropic of capricorn b. tropic of cancer c. prime meridian d. equator