Henry Clay - Leading Congessman, Led the Whig party. Played a crucial role in dealing with Missouri compromise and the 1850 Compromise
John C.Calhoun - South Carolina Senator, Vice President, and Secretary of State. Developed the doctrine of nullification. Also issued a series of resolutions , known subsequently as ‘ the platform of the south’
John Quincy Adams - president at the time of the Nullification Crisis
Colonel Keaney - Leadding US troops annexed New Mexico and then marched to California
John C.Fremont - Helped American settlers declare independence from Mexico
Polk - President at the time of the Mexican-American War (Democratic Party)
Santa Anna - President of Mexico (was captured at San Jacinto and later released) Upon release had to sign the treatys of Velasco
General Winfield Scott - with only 11,000 men marched 260 miles inland over difficult terrain, storming several fortresses before capturing Mexico City Whig candidate 1848 election
General Zachary Taylor - defeated Mexicans at Buena Vista (slave owner)
Later nominated by Whig party for presidential candidate and won 1848 election
Sam Houston - led the Texan army and defeated the Mexicans at the battle of San Jacinto
David Wilmot - Northern Democrat, added an amendment to a finance bill in the HOR (the Wilmot proviso)
Lewis Cass - western Democratic senator,The Democrats, rallying around the concept of popular sovereignty, nominated Lewis Cass as their presidential candidate but was defeated by Taylor 1848 election
Stephen Douglas - Western Democratic senator, submitted each of the part of Clay‘s bill to be separated into separate parts 1850 Compromise
Martin Van Buren - Presidential candidate for the free soil party 1848 election
James Buchanan - Democrat candid 1848 election
James W.Marshall - found gold at Sutters Mill in Coloma, California
Andrew Jackson - president, was hated which led to the formation of the Whig party