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The United States in 1819. The Missouri Compromise prohibited slavery in the Unorganized territory of the Great Plains (dark green) and permitted it in Missouri (yellow) and the Arkansas Territory (lower blue area).

  1820 , , .

: 36°30 . . . . 2 , ,   . - .

1854 -.

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  • Moore G., Missouri controversy. 18191821, Gloucester (Mass.), 1967.