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True or False: The Tuskegee Airmen were the first African Americans to serve in the US military.
A. True
B. False
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Tuskegee Airmen

What is the main idea of this excerpt? 1.1.3

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.

One of the person important products for britain's manufacturers was