Development of the United States

  • Proclamation of Neutrality

    Formal announcement issued by U.S. President George Washington in May 1793, declaring the nation neutral in the conflict between France and Great Britain. It threatened legal proceedings against any American providing assistance to any country at war.
  • XYZ Affair

    Political and diplomatic episode in 1797 and 1798, early in the administration of John Adams, involving a confrontation between the United States and Republican France that led to an undeclared war called the Quasi-War.
  • Convention of 1800

    Respecting fisheries, boundary and the restoration of slaves between the United States of America and the United Kingdom of Great Britain and Ireland, also known as the London Convention
  • Louisiana Purchase

    Land deal between the United States and France, in which the U.S. acquired approximately 827,000 square miles of land west of the Mississippi River for $15 million.
  • Embargo Act

    Imposed a general embargo that made any and all exports from the United States illegal. It was sponsored by President Thomas Jefferson and enacted by Congress. The goal was to force Britain and France to respect American rights during the Napoleonic Wars.
  • War of 1812

    Military conflict that lasted from June 18, 1812, to February 18, 1815, fought between the United States of America and the United Kingdom, its North American colonies, and its North American Indian allies.
  • Treaty of Ghent

    Signed on December 24, 1814, in the city of Ghent, was the peace treaty that ended the War of 1812 between the United States and the United Kingdom.
  • Monroe Doctrine

    Principle of US policy, originated by President James Monroe in 1823, that any intervention by external powers in the politics of the Americas is a potentially hostile act against the US.