With the execution of the Treaty of Guadalupe Hidalgo, the Mexican-American War had come to an end. The territory that Mexico relinquished to America held “some ninety thousand Hispanics and a considerably larger number of tribal Indians,” despite President James Polk characterizing the territory as “almost unoccupied.” Daniel Walker Howe, What Hath God Wrought: Transformation of America, 1815-1848, 809.
Amidst the Mexican-American War, a conspiracy emerged involving President James Polk and the exiled leader of Mexico, Santa Anna. Not only would this conspiracy embolden Whigs but Democrats would also come down on President Polk for his actions.
Upon America’s declaring war with Mexico in May 1846, President James Polk sent “the Army of the West” to New Mexico. See Daniel Walker Howe, What Hath God Wrought: Transformation of America, 1815-1848, 758. This army was sent for the sole purpose of conquest, and it was led by Brigadier General Stephen Watts Kearny. Id.
In the fall of 1845, prior to the Mexican-American War, President James Polk attempted to use what he perceived as leverage to negotiate with the Mexican government to expand American borders.
Following the Democrats’ victory in the Election of 1844, President James Polk began negotiating with the British about the Oregon territory, which America had permitted Britain to occupy for several decades. See Daniel Walker Howe, What Hath God Wrought: Transformation of America, 1815-1848, 715.
President John Tyler sought to achieve much success in foreign affairs during his presidency, and part of that success, he imagined, would be accomplished through expansion of the country. See Daniel Walker Howe, What Hath God Wrought: Transformation of America, 1815-1848, 677. The annexation of the Republic of Texas to be the 28th state in the Union was to be his goal.