US National Archives
Our Documents: Missouri Compromise (1820)
Read an original transcript, and view an image of a report on the Missouri Compromise of 1820. This legislation admitted Missouri and Maine as states into the Union.
Digital History
Digital History: The Tallmadge Amendment [Pdf]
The question of the expansion of slavery into the territories of the United States was an old question that was addressed again in the Missouri Compromise of 1820. Read about the Tallmadge Amendment and the opinions supporting and...