5.1-5.9 APUSH

Belief that the Unites States was destined to expand its territory across North America (widely spread annexation, and also Popularized by John O Sullivan.)

• Popular Sovergeinty

• Texas Revolution

• Manifest Destiny

• Ostend Manifesto

Journalist who popularized Manifest Destiny in 1840s and 1850s advocating for US territorial expansion.

• John O Sullivan

• John Sidell

• John C Fremont

• David Wilmott

Sparked by tensions between American settlers and the Mexican government, leading to Texas declaring independence in 1836 under Sam Houstan.

• Walker Expedition

• Popular Sovernginity

• Texas Revolution

leader of the Texan army who led revolt against mexican rule and became first president of republic of Texas

• General Winfield Scott

• David Willmot

• Sam Houstan

Resolved the boundary dispute between maine and canada between skirmashes between american and british lumber workers, splitting the disputed territory and establishing a clearer border.

• Webster-Ashburton Treaty

• Willmott Proviso

• Gadsen Purchase

resulted from competing british and american claims and established the 49th parallel as the border.

• Treaty of Guadalupe Hidalgo

• Oregon Treaty

• Webster-Ashburton Treaty

• Fifty-Four Fourty or fight

Resulted in a contentious split over Texas Annexation leading to the nomination of James K Polk as a compromise canditate (The "Dark Horse" victory - introducing unexpected leadership")

• Dem Convention

• Popular Sovernginity

• Free-Soil Movement

• Manifest Destiny

Texas request to be annexed to the US but was denied by president jackson and van Buren due to Northern opposition to the expansion of slavery and concerns over potential conflict with Mexico.

• Ostend Manifesto

• Treaty of Guadalupe Hidalgo

• Annexation of Texas

11th president of US from 1845 to 1849 and was a strong supporter of Manifest Destiny who was also a protege of Andrew Jackson, favored annexation of texas, the acquisition of California, and the "reoccupation" of oregon territory all the way to the border with Russian Alaska at latitude 54 40.

• James K Polk

• John C Fremont

• General Zackary Taylor

• General Winfield Scott

Slogan used by american westerners and southerners (expansionists) in 1844 presidential campaign. Advocating for U.S claims to the entire oregon territory up to the latitude of 54 40 indicating a dispute to go to war with britain for the territory.

• free-soil free labor, and free man

• popular sovernginity

• Fifty-Four Forty or fight