In the context of the 19th century United States, the term 'Manifest Destiny' referred to the widespread belief that it was the nation's divine right and destiny to expand its territory across North America. This ideology significantly influenced U.S. politics, foreign policy, and society during the 1840s and beyond. Various events and policies, including the annexation of Texas, the Oregon Trail migration, and the war with Mexico, were often justified through the lens of this belief.
Among the following events, which was most directly and significantly influenced by the ideology of Manifest Destiny?