Treaty • 1803

Louisiana Purchase Treaty

Livingston, Monroe & Barbé-Marbois

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Signed April 30, 1803, the Louisiana Purchase Treaty doubled the size of the United States for $15 million — about three cents an acre. Jefferson worried it exceeded his constitutional powers but concluded the people would forgive the construction.

The First Consul of the French Republic, desiring to give to the United States a strong proof of his friendship, doth hereby cede to the said United States, in the name of the French Republic, forever and in full sovereignty, the said territory, with all its rights and appurtenances, as fully and in the same manner as they have been acquired by the French Republic.

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