USA HISTORY

Detailed explanation-1: -Spain insisted that Louisiana comprised no more than the western bank of the Mississippi River and the cities of New Orleans and St. Louis. The dispute was ultimately resolved by the Adams–Onís Treaty of 1819, with the United States gaining most of what it had claimed in the west.

Detailed explanation-2: -The Louisiana Purchase (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.

Detailed explanation-3: -Westward expansion began in earnest in 1803. Thomas Jefferson negotiated a treaty with France in which the United States paid France $15 million for the Louisiana Territory – 828, 000 square miles of land west of the Mississippi River – effectively doubling the size of the young nation.

Detailed explanation-4: -Spain held the territory west of the Mississippi River. It was called Louisiana.

Detailed explanation-5: -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.