Why did the united states grow west of the missisipi river?

In 1803, President Thomas Jefferson purchased the territory of Louisiana from the French government for $15 million. The Louisiana Purchase stretched from the Mississippi River to the Rocky Mountains and from Canada to New Orleans, and it doubled the size of the United States.

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It gave people in the 13 colonies zone information about political views and made them think otherwise. hope i .: ]

One was to hold a leash on a despot and future despots to come, another was set to ensure no despots ever came to power.