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Growth of United States timeline

  • Proclomation of Neutrality

    A formal announcement issued by George Washington declaring the nation neutral in the conflict between France and Great Britain.
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    XYZ Affair

    A political and diplomatic episode in 1797 and 1798, early in the administration of John Adams, involving the United States and Republican France. Its name derives from the substitution of the letters X, Y and Z for the names of French diplomats in documents released by the Adams administration.
  • Convention of 1800

    A treaty between the United States of America and France to settle the hostilities that had erupted during the Quasi-War.
  • Louisiana Purchase

    The acquisition by the United States of America in 1803 of 828,000 square miles of France's claim to the territory of Louisiana.
  • Embargo Act

    An embargo which would prohibit all American ships from departing for a foreign port.
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    War of 1812

    A 32-month military conflict between the United States and the United Kingdom of Great Britain and Ireland, its North American colonies and its Indian allies. The outcome resolved many issues which remained from the American War of Independence, but involved no boundary changes.
  • Treaty of Ghent

    The peace treaty that ended the War of 1812 between the United States of America and the United Kingdom of Great Britain and Ireland.
  • Monroe Doctrine

    Further efforts by European nations to colonize land or interfere with states in North or South America would be viewed as acts of aggression, requiring U.S. intervention. Also that United States would neither interfere with existing European colonies nor meddle in the internal concerns of European countries.