The Missouri Compromise was a compromise in America effected by the Act of Congress of March the 3rd, 1830, between those who desired the extension of slavery into the regions beyond the Mississippi and those who desired its restriction. Missouri having applied for admission as a State, Tallmadge, of New York, in February, 1819, proposed an amendment which would ultimately destroy slavery in the new State. The House passed the bill with this amendment; the Senate refused to concur. Next year the bill, in the same form, passed the House again. The Senate voted to admit Maine, provided Missouri was admitted as a slave State. The House rejected the proposal. Thomas, of Illinois, proposed as a compromise that Missouri be admitted as a slave State, but that in future slavery should be prohibited in all territory forming part of the Louisiana cession north of 36 degrees 30 minutes. When Missouri's Constitution was laid before Congress, however, it appeared that she had introduced clauses excluding free negroes from the State. The House then refused to admit Missouri. Clay effected a further compromise, whereby Missouri agreed not to deprive of his rights any citizen of another State. Research Missouri Compromise
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