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Rh base the action of the convention on Mr. Monroe's declaration of 1823, 'that the American continents are not to be considered subject to colonization by any European powers.' The convention in a session of three days discussed thoroughly the various aspects of the subject on which it came together, and concluded by adopting a declaration of principles which w^as signed by the chairman, Col. R. M. Johnson, and ninety other delegates, representing six states of the Mississippi Valley. The first of the principles adopted defined clearly what the convention understood by the Oregon Territory which it was sought to occupy and settle, asserting, as it did, the right of the United States from the line of latitude 42 to that of 54 and 40'. Among letters read in the convention from prominent men unable to be present was one from Mr. Cass, in which he declared that no one would be present who would concur more heartily with the convention in the measures that might be adopted than should he; he would take and hold possession of the territory of the Pacific Coast, come what might. It is not difficult to see in the utterance of the Cincinnati convention, when taken in connection with the political weight of the convention itself, the origin of that party war-cry which was to make the presidential campaign of the following year so celebrated in our history. Here was a constituency united in a solemn pledge, which could not well be ignored in the estimate of political forces. It was an influence to be bid for, and what more natural than that it should be bid for, as it was bid for, by the party seeking a means of reconciling northern and western voters to its more distinctly southern policy of the annexation of Texas?

On becoming President, Mr. Polk seems not to have felt himself bound by the extreme statement of his party's