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the acquisition by the United States of America in 1803 of 828,000 square miles (2,140,000 km2) of France's claim to the territory of Louisiana. Arkansas, Missouri, Iowa, Oklahoma, Kansas, and Nebraska
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By 1819, the original 13 states became 22. 11 free 11 slave. The new state of Missiouri would once again tilt the balance of slave vs free territories. In order to once again achieve equality, the state of Maine was created and slavery was forbidden in the Louisiana purchase land; north of latitude 36'30.
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