Explain how President Jefferson wanted to purchase New Orleans from the French. Go over the benefits of acquiring this territory. Discuss the Treaty of San Lorenzo and the efforts of Robert Livingston. Show students the map of the Louisiana territory then watch the embedded video to learn some more information. Have students write a paragraph explaining the importance of the Louisiana Purchase. After this, discuss the journey of Lewis and Clark. Click on the link to be taken to a website where students can view real images from their journal entries. Ask students to analyze the type of information they documented while on their journey. Next, discuss the journey of Zebulon Pike and the effects of this type of exploration.