Because they where finding new and better ways to use power so it made the industry bigger
<span>The 19th century was a period of great change and rapid industrialization. The iron and steel industry spawned new construction materials, the railroads connected the country and the discovery of oil provided a new source of fuel. The discovery of the Spindletop geyser in 1901 drove huge growth in the oil industry. Within a year, more than 1,500 oil companies had been chartered, and oil became the dominant fuel of the 20th century and an integral part of the American economy.</span>
The OPEC oil embargo was an event where the 12 countries that made up OPEC stopped selling oil to the United States. In response to the oil crisis, the United States took steps to become increasingly energy independent.
<span>Who was the leader in Japan who advocated war with the United States during the 1940s? </span>Hideki Tojo