The Louisiana Purchase changed the trajectory of U.S. expansion in the beginning of the 19th century, allowing the size of the country to grow by 530,000,000 acres. And at only a cost to the U.S ...

The Louisiana Purchase nearly doubled the size of the United ... wife and three daughters just nine months earlier, in March 1803, the cultivated, worldly French functionary had expected to ...

Keywords Mississippi Valley, settlement, Louisiana Purchase, mass migration, farming, transportation, flatboats, steamboats, commerce, industry More for You Scientists: Dire wolf brought back from ...