describe the lands that became part of the US under the Louisiana purchase

Here is an excellent primary site.

http://en.wikipedia.org/wiki/Louisiana_Purchase
Be sure to go to the other sources that are suggested here.

These websites should help you find information.

http://www.enchantedlearning.com/history/us/1800/louisianapurchase/

http://en.citizendium.org/wiki/Louisiana_Purchase

The lands that became part of the US under the Louisiana Purchase were a vast territory located in the western part of the country. To describe these lands, let's first explore how to get the necessary information.

1. Open a reliable web browser on your computer or mobile device.
2. Type "Louisiana Purchase" in the search bar and press Enter.
3. Click on reputable sources such as historical websites or government archives to gather accurate information.

Now, let's proceed to describe the lands acquired under the Louisiana Purchase:

The purchase occurred in 1803 when the United States acquired a significant amount of land from France. The territory included approximately 828,000 square miles and spanned from the Mississippi River in the east to the Rocky Mountains in the west, and from the Gulf of Mexico in the south to the Canadian border in the north. The lands encompassed parts or the entirety of 15 present-day US states, including Arkansas, Missouri, Iowa, Oklahoma, Kansas, Nebraska, Minnesota, North Dakota, South Dakota, Montana, Wyoming, Colorado, New Mexico, Texas, and Louisiana.

This vast expansion greatly expanded the territorial size of the United States, doubling its land area. The acquisition of the Louisiana Purchase played a crucial role in shaping the nation's development, as it opened up new territories for settlement, exploration, trade, and later became the foundation for the concept of Manifest Destiny.