Jeffersonian Democracy and Constitutional Interpretation

During Thomas Jefferson's presidency from 1801 to 1809, the principles of Jeffersonian democracy were put into practice, emphasizing agrarianism, individual rights, and a limited role for the federal government. However, certain policies and events raised questions regarding the application of these principles, particularly in the context of westward expansion and foreign relations. Which of the following actions taken by Jefferson is most directly associated with a deviation from his strict interpretation of the Constitution?