Respuesta :
John L. O'Sullivan, the editor of a New York newspaper had called the spirit of expansion as, manifest destiny on 1845.
Manifest Destiny, can termed as an territorial expansion of the boundaries of the United States in the westward to the Pacific and beyond it's boundaries.
John L. O'Sullivan, had been treated as the first one who coined the term Manifest destiny to the spirit of expansion. Many historians had accepted that, he was not showing aggression but was complaining.
On the one had, the Democrats had took up the Manifest destiny as a slogan, and on the other hand The Whig party had called it a aggressive and threatening and mocked up President James K. Polk's for his policies.
Historian Julius W. Pratt in his essay The American Historical review, had identified and concluded clearly in 1927, that the phrase was originated by the Sullivan.
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