How did we come to purchase the territory known as the louisiana purchase

 The United States and France made a deal in 1803 for $15 million dollars for 827,000 square miles of land in the region of Louisiana west of the Mississippi River.

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The Americans thought that Napoleon might withdraw the offer at any time, preventing the United States from acquiring New Orleans, so they agreed and signed theLouisiana Purchase Treaty on April 30, 1803. On July 4, 1803, the treaty reached Washington, D.C..

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