sentences:  Storm embraced this with enthusiasm, and was to go on to be a firm believer, northerner though she was, in the expansion of the South, and of slavery, its 'peculiar institution', into Central America and the Caribbean.In "Mistress of Manifest Destiny" (2001), Linda S. Hudson argued that it was Storm who actually wrote the "Annexation" editorial, and thus coined the phrase "Manifest Destiny".Since many editorials in John L. O'Sullivan's publications were unsigned, Hudson used computer-aided "textual analysis" to support her argument.