At the 1933 pan-american conference, the united states supported a resolution that declared no nation had "the right to intervene in the internal or external affairs of another."

TRUE

Explanation:

The seventh international conference of American states held in Montevideo, Uruguay and the convention on Rights and Duties of states was signed by Plenipotentiaries (diplomats with full powers to take independent decisions for their government) on December 26, 1933.

Sixteen articles were properly itemized and article 8 of the document clearly states that – No nation has the right to be involved in any affairs of another country both within and externally.  

it increase by 12% a year from 1812-1820

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