... . In 1803 Thomas Jefferson deviated from those beliefs in support of territorial expansion. Thomas Jefferson purchased the land between the Mississippi River, extending to the Rocky Mountains. The Louisiana Purchase, doubled the size of the U.S.. Thomas Jefferson, in support of expansion, sent out an expeditionary team to explore the west soon after. In 1804 Lewis and Clark traveled the vast unexplored ... of being a nation from sea to sea was realized before 1850. The idea of an " empire of liberty" and free democracy, appealed to immigrants for various economic and political reasons. P...

• Word Count: 513
• Approx Pages: 2
• Grade Level: Undergraduate