Answer:
D. By helping develop the country's infrastructure
Explanation:
John Rockefeller was a pioneer in horizontal integration in the American oil business. Beginning in 1865, he bought up oil wells, oil pipelines, railways and refineries and, in the end, destroyed almost all of the competitors of his Standard Oil company. By 1879, Rockefeller controlled 90% of US refining. Its pipelines directly connected Pennsylvania oil wells with refineries in New Jersey, Cleveland, Philadelphia, and Baltimore, which significantly reduced the cost of production. Standard Oil was the first trust company to centrally manage Rockefeller oil companies in each state where its refineries and pipelines were located. Trusts have become a common method of monopolizing US production and extracting superprofits from production by inflating prices in the absence of competition. Given the unprecedented scale of the Standard Oil network, the company has developed new methods for managing, financing, and organizing its business.
Listen), spelled Fuehrer when the umlaut is not available) is a German word meaning "leader" or "guide". As a political title it is associated with the Nazi dictator Adolf Hitler. Nazi Germany cultivated the Führerprinzip ("leader principle"), and Hitler was generally known as just der Führer ("the Leader").
Nazi
Answer:
A - direct example of his writing
Explanation:
A primary source is anything that is a first-hand account of what happened (i.e. original writing, photographs, etc.). Of the answers listed, A is the only one that could possibly refer to a primary source because it mentions that this is a direct sample of his writing.
Evidence, interpretation, or reposts on a website are all secondary sources. The people who wrote them weren't there when this happened.