The Louisiana Purchase and its exploration - Khan Academy
https://www.khanacademy.org/humanities/us-history/the-early-republic/politics-society-early-19th-c/a/the-louisiana-purchase
WEBJun 21, 2017 · Google Classroom. In 1803, Jefferson made a controversial decision that effectively doubled the territory of the United States while transgressing his own views of proper presidential authority. Overview. The Louisiana Purchase doubled the size of the United States, reshaping the environmental and economic makeup of the country.
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