On August 8, 1846, amidst the Mexican-American War, Democratic Congressman David Wilmot of Pennsylvania introduces an amendment to President James Polk’s $2 million appropriation bill for purchasing territory from Mexico, boldly declaring that “neither slavery nor involuntary servitude …
David WilmotJames K. PolkU.S. House of RepresentativesU.S. SenateNorthern Democrats+1 morewilmot-provisoslavery-expansionsectional-conflictmexican-american-warterritorial-expansion+1 more
President James K. Polk obtains a declaration of war against Mexico after deliberately provoking hostilities by sending American troops into disputed territory between the Nueces River (Mexico’s claimed boundary) and the Rio Grande (Texas’s claimed boundary) in January 1846. When Mexican …
James K. PolkU.S. CongressMexicoWhig Party oppositionAbraham Lincolnmexican-american-warslavery-expansionland-grabmanifest-destinyinstitutional-corruption+1 more
President James K. Polk presented Congress with a war message on May 11, 1846, claiming that Mexico “has at last invaded our territory and shed the blood of our fellow-citizens on our own soil” after Mexican forces killed or wounded 16 U.S. soldiers in disputed territory between the …
James K. PolkZachary TaylorU.S. CongressAbraham LincolnWhig Partyinstitutional-capturepolitical-deceptionexecutive-overreachterritorial-expansionslave-power
Congress admits Texas to the Union as the 28th state on December 29, 1845, following a nine-year political struggle that delayed annexation due to opposition from antislavery forces. The annexation represents a clear victory for Slave Power expansion: Texas arrives as a vast slave-holding region …
James K. PolkJohn TylerJohn C. CalhounU.S. CongressMexico+1 moreslavery-expansiontexas-annexationmanifest-destinysectional-conflictinstitutional-corruption+1 more
John L. O’Sullivan coins the term “Manifest Destiny” in 1845 to describe the expansionist belief that American settlers are destined to expand westward across North America, and that this expansion is both obvious (manifest) and certain (destiny). The ideology is rooted in American …
John L. O'SullivanJames K. PolkU.S. governmentIndigenous peoplesAnglo-American settlersmanifest-destinyindigenous-genocideterritorial-expansionwhite-nationalismideology+1 more