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Westward Expansion
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WIth the Louisiana Purchase, the size of the United States douules, and Jefferson's vision of an Empire of Liberty begins to take shape.
Key Events

The Louisiana Purchase.


The Louisiana Purchase and the Mississippi River system.


The full transcript and video.


Links to sites with primary and secondary source materials related to the topics of this program.

Maps have historically been tools of empire.  Maps of the routes of the Lewis and Clark expedition have tended to represent the West as empty country, there for the exploring and taking.  This 1932 sketch map of a portion of the route of the Lewis and Clark expedition, made by historian Laura Tolman Scott for a biography of Sacagawea, is a little different.

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