US National Archives
Nara: American Originals: Louisiana Purchase Treaty
Wonderful NARA site that provides pictures of the original treaty and agreements of the Louisiana Purchase. Brief introduction discusses the amount of land purchased and the cost per acre described by the Purchase.
Pennsylvania Historical and Museum Comission
Explore Pa History: Lewis and Clark in Pennsylvania
Discover the role Lewis and Clark played in history of Pennsylvania in this detailed account. Contained within this site are links to video, maps, and pictorial images of this era.
PBS
Pbs: Events in the West: 1800 1820
A comprehensive site on the development and history of the American West. In timeline fashion, this page details the events leading up to the Louisiana Purchase and the Lewis and Clark Expedition. It continues with information about...
Other
Gateway New Orleans: Louisiana Purchase
Read a description of the terms of the Louisiana Purchase. There is a map to show the land that was included in this deal.
Son of the South
Son of the South: Westward Expansion
Discusses the major events and acquisitions in the westward expansion of the United States. Includes Louisiana Purchase, Florida Purchase, Oregon Territory, the Republic of Texas, Gadsden Purchase, etc.
Tom Richey
Tom richey.net: The Trials of the Jeffersonians [Ppt]
Presents key ideas for examining the impact of westward expansion on concepts of nationalism and democracy. Covers the Louisiana Purchase, conflict with native peoples, the War of 1812, and other events.
Smithsonian Institution
National Museum of American History: American Presidency: Jefferson's Resolution
Reviews Thomas Jefferson's decision to acquire the Louisiana Territory.
Independence Hall Association
U.s. History: The Missouri Compromise
A good look at the issues debated about the admission of new states, particularly those that would be made from the Louisiana Purchase. Read about why the issue of allowing slavery in the new states was such a hard decision for Congress....
Independence Hall Association
U.s. History: The Importance of the West
Westward migration, west of the Appalachians, resulted in a rapid population growth. Read about where the population exploded, and why the inland rivers were so important to the growth.
Annenberg Foundation
Annenberg Classroom: Executive Privilege
Check out this interactive timeline on excutive privilege in the United States.
Annenberg Foundation
Annenberg Learner: United States History Map: The Nation Expands
After examining a map showing the expansion of the United States, click to read about each addition to the country and see where that addition is. Play Expansion Concentration to test your skills.
Colonial Williamsburg Foundation
Colonial Williamsburg: Thomas Jefferson, Son of Virginia
Excerpted from the Colonial Williamsburg Journal, this essay offers details of Thomas Jefferson's life and his long and varied career.
Read Works
Read Works: Sacagawea
[Free Registration/Login Required] An informational text about Sacagawea, guide to Lewis and Clark as they explored the Louisiana Purchase. A question sheet is available to help students build skills in reading comprehension.
![U.s. Mint: We're Going on a Bison Hunt [Pdf] Lesson Plan](https://content.lessonplanet.com/knovation/original/249025-9f5e44d8a919bd8ec2d9ad8c543a3d75.jpg?1661243093 "U.s. Mint: We're Going on a Bison Hunt [Pdf] Lesson Plan")
US Mint
U.s. Mint: We're Going on a Bison Hunt [Pdf]
In this four-part lesson, examine the significance of the Louisiana Purchase and Lewis and Clark's Expedition. Then take the students on a simulated bison hunt to understand the importance of the bison as a food and materials source in...
![U.s. Mint: Our Goal Pole [Pdf] Lesson Plan](https://content.lessonplanet.com/knovation/original/249027-a06b6e1b3a7aa5c8e4fc49293e940618.jpg?1661243094 "U.s. Mint: Our Goal Pole [Pdf] Lesson Plan")
US Mint
U.s. Mint: Our Goal Pole [Pdf]
In this four-part lesson, students will demonstate knowledge of the sequencing of events by studying the westward journey, use terms that indicate the sequence of events and demonstrate an understanding of certain historical figures in...
![U.s. Mint: Which Came First? [Pdf] Lesson Plan](https://content.lessonplanet.com/knovation/original/249028-fe9fd34e9fd91c5e0f661d831bfde2a1.jpg?1661243091 "U.s. Mint: Which Came First? [Pdf] Lesson Plan")
US Mint
U.s. Mint: Which Came First? [Pdf]
Introduce students to the Louisiana Purchase and Lewis and Clark's Expedition. Then, using the tails side of the Keelboat Nickel as a guide, make a timeline of the westward journey.
![U.s. Mint: Let's Build a Map [Pdf] Lesson Plan](https://content.lessonplanet.com/knovation/original/249029-024660939f27fa1ea8589c5fba13f0e6.jpg?1661243095 "U.s. Mint: Let's Build a Map [Pdf] Lesson Plan")
US Mint
U.s. Mint: Let's Build a Map [Pdf]
In this four-part instructional activity, students study the map of the Louisiana Purchase and the trail of Lewis and Clark's Expedition. Then, build a classroom map displaying the events of the Westward Expansion.
![U.s Mint: Which Side Is Which [Pdf] Lesson Plan](https://content.lessonplanet.com/knovation/original/249033-ff1ff264a293b5ffb6c4bba64baec78d.jpg?1661243090 "U.s Mint: Which Side Is Which [Pdf] Lesson Plan")
US Mint
U.s Mint: Which Side Is Which [Pdf]
Introduce students to the Louisiana Purchase and Lewis and Clark's Expedition. Then take a look at the Peace Medal nickel and differentiate between heads and the tails sides. Finally, do a coin-flip activity, and record and analyze the...
Other
U.s. Genealogy Map Project: u.s. Border/land Claims 1804 1823
A great map and a list of the acquisitions and border changes of the United States from 1804 to 1823. A concise resource showing Western expansion.
University of Oregon
Mapping History Project: Territorial Expansion of the u.s. 1783 1853
Click on the sliding bar and watch how the United States territory grew with the Louisiana Purchase, Florida Acquisitions, Texas Annexation, Oregon Country, and Mexican Cession.
University of Oregon
Mapping History Project: Missouri Compromise: 1820
Interactive map showing free states and territories and slave states and territories before and after the Missouri Compromise of 1820. Click on the map to choose before or after and the key. Shockwave required.
University of Chicago
University of Chicago Press: Historic Maps of Louisiana
Features nine maps that represent examples of the one hundred ninety three included in the book "Charting Louisiana" that highlights the history of Louisiana from the sixteenth century to the present. Each map includes an essay for...
Library of Congress
Loc: Teachers: Journeys West
A series of lessons utilizing primary texts, including narratives, photographs, and maps, through which students explore the following question: "What motivated thousands of people to journey west during the 1800s?"
Other
Animated Atlas: Growth of a Nation
A 10-minute movie showing the expansion of the United States after the end of the Revolutionary War. Follow the directions to start the movie and listen to the explanations.