America’s next great conveyor belt of progress is the Erie Canal. When the Mississippi is opened up for trade, the Erie Canal became America's next great conveyor belt of progress. It is compared to the steamboats that spawn cities along its way. It gently converts New York into a prosperous town in which resulted for the town to quadruples its size.
President James Monroe wrote the Monroe doctrine because fear existed that the European powers might try to restore their postions in Latin America, which had in general already obtained their independence. The message that he was trying to get across : The United States were not to tolerate European Countries to make new colonies or interfere with the new independent countries; likewise, the United States would not get involved with conflicts between European Powers.
President Grover Cleveland is the president that signed the Interstate Commerce Act in 1887.
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