The Louisiana Purchase of 1803 sparked a new wave of exploration in the United States as a number of expeditions were ...

simply look at a map and trace the Mississippi River and all of her tributaries. Everything that drained into the Mississippi was part of the Louisiana Purchase. Part of the reason Napoleon sold ...

National Archives The Louisiana Purchase, which more than doubled the size of the existing United States, provided Easterners with more than enough room to grow, and it quickly became a great ...