Answer:
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.
Explanation:
C.
Madison's worry about factions was really about political parties, as we understand them today.
Very quickly, Madison's fears were realized. The Federalists and the Democratic Republicans fought fiercely from the outset.
Originally the United States only had atomic weapons, but that all changed when in 1949 the U.S.S.R (or the Soviet Union) set off an atomic bomb, which started the Nuclear Arms race.
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Answer:
C. Forced labor of Native Americans in the Spanish colonies.