The development of RAILROADS was one of the most important phenomena of the industrial revolution. With their formation, construction and operation, they brought profound social, economic and political change to a country only 50 years old.Over the next 50 years,America would come to see magnificent bridges and other structures on which trains would run, awesome depots, ruthless rail magnets and the majesty of rail locomotives crossing the country.
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But that all changed with Marbury v. Madison, an 1803 milestone case that established the Supreme Court's power of judicial review, by which it determines the constitutionality of executive and legislative acts. Judicial review is another key example of the checks and balances system in action.
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