<P> Yet Jackson would not be the only president to elaborate on the principles underlying manifest destiny . Owing in part to the lack of a definitive narrative outlining its rationale, proponents offered divergent or seemingly conflicting viewpoints . While many writers focused primarily upon American expansionism, be it into Mexico or across the Pacific, others saw the term as a call to example . Without an agreed upon interpretation, much less an elaborated political philosophy, these conflicting views of America's destiny were never resolved . This variety of possible meanings was summed up by Ernest Lee Tuveson: "A vast complex of ideas, policies, and actions is comprehended under the phrase "Manifest Destiny". They are not, as we should expect, all compatible, nor do they come from any one source ." </P> <P> Journalist John L. O'Sullivan, an influential advocate for Jacksonian democracy and a complex character described by Julian Hawthorne as "always full of grand and world - embracing schemes", wrote an article in 1839, which, while not using the term "manifest destiny", did predict a "divine destiny" for the United States based upon values such as equality, rights of conscience, and personal enfranchisement "to establish on earth the moral dignity and salvation of man". This destiny was not explicitly territorial, but O'Sullivan predicted that the United States would be one of a "Union of many Republics" sharing those values . </P> <P> Six years later, in 1845, O'Sullivan wrote another essay titled Annexation in the Democratic Review, in which he first used the phrase manifest destiny . In this article he urged the U.S. to annex the Republic of Texas, not only because Texas desired this, but because it was "our manifest destiny to overspread the continent allotted by Providence for the free development of our yearly multiplying millions". Overcoming Whig opposition, Democrats annexed Texas in 1845 . O'Sullivan's first usage of the phrase "manifest destiny" attracted little attention . </P> <P> O'Sullivan's second use of the phrase became extremely influential . On December 27, 1845, in his newspaper the New York Morning News, O'Sullivan addressed the ongoing boundary dispute with Britain . O'Sullivan argued that the United States had the right to claim "the whole of Oregon": </P>

How would the concept of free development be carried out as part of manifest destiny
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