What areas were added to the united states by the louisiana purchase

The Us acquired approximately 827,000 square miles of land west of the Mississippi River for $15 million.

The territory contained land that forms Arkansas, Missouri, Iowa, Oklahoma, Kansas, and Nebraska; the portion of Minnesota west of the Mississippi River; a large portion of North Dakota; a large portion of South Dakota; the northeastern section of New Mexico; the northern portion of Texas; the area of Montana, Wyoming