The Spanish became wealthy from mining large amounts of gold
Corps of Discovery traveled from the central United States Northwest to the Pacific.
The states they passed through on their route on today's map would be:
Missouri
Iowa
Nebraska
South Dakota
North Dakota
Montana
Idaho
Washington State
Members of the Corps of Discovery was commissioned by Thomas Jefferson and included Meriwether Lewis and William Clark. The objective was to study the land and its offering to learn how the Louisiana Purchase could be profitable.
