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The development of railroads
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The finding of oil and its uses
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the creation of the typewriter
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The creation of the telephone
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Munn v. Illinois
the states won the right to regulate the railroads for the benefit of farmers and consumers -
the creation of the light bulb
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Interstate Commerce Act
reestablished the right of the federal government to supervise railroad activities and established a five-member Interstate Commerce Commission (ICC) for that purpose -
The Granger laws and the Interstate commerce act
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Sherman Antitrust Act
An act which made it so trusts or free trade between states and foreign countries was illegal due to expanding corporations absorbing the competition.