The United States purchased all the Louisiana territory (828,000 sq. mi) from France, only paying 15 million dollars (A quarter trillion today) for the land. In the purchase, the US obtained the land that makes up 15 US states and 2 Canadian Provinces. The United States originally wanted to purchase of New Orleans and the lands located on the coast around it, but quickly accepted the bargain that Napoleon Bonaparte offered.
Lewis and Clark set out from St. Louis, MO to explore the West.
English, Scottish, and North German: patronymic from Sander 1.