The Louisiana Purchase was the purchase of imperial rights to the western half of the basin from in 1803. The deal granted the United States the sole authority to obtain the land from its indigenous inhabitants, either by contract or by conquest. The total price was $27,267,622.

Learn how the United States acquired the Louisiana Territory from France in 1803, doubling its size and opening up the West. Find out the background, negotiations, and legacy of this historic land deal.

The Louisiana Purchase was a land deal made in 1803, in which the United States purchased 828,000 square miles (2,144,510 km²) of land west of the Mississippi River from France for $15 million, or an average of three cents per acre.

The Louisiana Purchase was the first major cession of land in a long series of expansions that span the 19th century. Within 50 years, the present-day borders of the contiguous United States would be solidified with the Gadsden Purchase.

With the Louisiana Purchase, the U.S. acquired nearly 827,000 square miles of French-held land for just four cents an acre. The purchase was about more than land alone—westward expansion ...

Learn how Thomas Jefferson doubled the size of the United States by buying Louisiana from France in 1803, and how this land deal shaped the nation's history and culture. Explore the exhibition "Jefferson's America & Napoléon's France" at the New Orleans Museum of Art.

What Was The Louisiana Purchase? The Louisiana Purchase in 1803 was a 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.

Learn how the United States bought 530 million acres of land from France in 1803 for $15 million. Find out the reasons, the negotiations, and the consequences of the Louisiana Purchase for the West and the Constitution.

The Louisiana Purchase is considered the greatest real estate deal in history. The United States purchased the Louisiana Territory from France at a price of $15 million, or approximately four cents an acre. The Louisiana Purchase Treaty was signed in Paris on April 30, 1803.