Question

Oil profits were used for establishing and opening
to ‹Oil profits were used to build , ,

, , and

Answer 1

Explanation:

Increasing sales of gasoline first for automobiles and then for airplanes in the early 1900s came as oil discoveries across the United States mounted. The oil industry had a vast new market for what had been for many years a useless by-product of the distilling process.

Answer 2

Explanation:

Over the last five years, average earnings for the oil and natural gas industry have been below the rest of the U.S. manufacturing industry, averaging about 4 cents for every dollar of sales compared to nearly 9 cents for manufacturing.