On November 30, 1803 France formally transferred 828,000 square miles to the United States in exchange for USD 15 million. This land, the Louisiana Purchase, doubled the size of the nation. While negotiations for this deal had been going on, Thomas Jefferson had already begun thinking about a transcontinental expedition to explore the lands west of the Mississippi. Besides the commercial and scientific benefits of such an exploration, there was the issue of asserting America's sovereignty over the new territory. Meriwether ...

Encyclopedia of the Lewis and Clark Expedition 2003, Checkmark Books, New York, NY

ISBN-13: 9780816047826

Trade paperback

Encyclopedia of the Lewis & Clark Expedition 2003, Facts On File Inc, New York

ISBN-13: 9780816047819