11h 31min, mar 3, 1820 y - The Missouri Compromise

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The Missouri Compromise is when Missouri became a slave state and Maine became a free state.

https://www.loc.gov/rr/program/bib/ourdocs/Missouri.html
http://www.pbs.org/wgbh/americanexperience/features/lincolns-political-landscape/

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7 Dec 2017

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