USA HISTORY

Detailed explanation-1: -In this transaction with France, signed on April 30, 1803, the United States purchased 828, 000 square miles of land west of the Mississippi River for $15 million. For roughly 4 cents an acre, the United States doubled its size, expanding the nation westward.

Detailed explanation-2: -Since 1762, Spain had owned the territory of Louisiana, which included 828, 000 square miles. The territory made up all or part of fifteen modern U.S. states between the Mississippi River and the Rocky Mountains.

Detailed explanation-3: -The Louisiana Purchase was the purchase of imperial rights to the western half of the Mississippi River basin from France by the United States 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.