<span>more than 100 million acres of land</span>
Pools were agreements between railroad corporations to divide the business in a given area and share the profits. Many companies formed these pools in order to avoid competition by dividing business in a particular area. Efforts to regulate the monopolizing practices of railroad corporation then first came in the form of action by the supreme court.
Battle of the Bulge
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Answer:
C.The Aztec civilization was ruled by an emperor and had about four hundred tribute states.
Explanation:
The aztecs were a warriors civilization they conquered the vast majority of the mesoamerican tribes and were all under their control, they took ributes from them and had the greatest capitol city in the americas, were very organized and had a centralized control government, this was the emperor who decided and guided the empire.