Jeffersonian Democracy and the Louisiana Purchase

During the early 19th century, the United States underwent significant political changes under President Thomas Jefferson, who is often associated with the principles of Jeffersonian Democracy. This political philosophy emphasized limited government, agrarianism, and individual liberty. One of the most notable actions taken by Jefferson during his presidency was the acquisition of new territory, which had long-term implications for the country.

Which of the following events is most directly associated with Thomas Jefferson's presidency and exemplifies the ideals of Jeffersonian Democracy?