The Sectional Crisis By star_player4 Jan 6, 1846 David Wilmot introduces Proviso banning slavery in the MExican cession Period: Aug 4, 1846 to Aug 4, 1860 The Sectional Crisis Jan 6, 1848 Free-Soil party is founded Jan 6, 1848 ZT (whig) elected president, defeating Lewis Cass (democrat) and MartinVan Buren (free-soil) Jan 6, 1849 California seeks admission to the Union as a free state Jan 6, 1850 Congress debates sectional issues and enacts Compromise of 1850 Jan 6, 1852 Harriet Beecher Stowe publishes Uncle Tom's Cabin Jan 6, 1852 Franklin Pierce (democrat) elected president by a large majority over Winfield Scott (whig) Jan 6, 1854 Congress passes Kansas_Nebraska act, repealing Missouri Compromise Jan 6, 1854 Republican party founded in several northern states Jan 6, 1854 Anti-Nebraska coalitions score victories in congressional elections in the North Jan 6, 1855 Know-Nothing party achieves stunning successes in state politics Jan 6, 1856 Free-state and slave-state forces struggle for control of Kansas territory Jan 6, 1856 Preston Brooks assaults Charles Sumner on senate floor Jan 6, 1856 James Buchanan wins presidency despite strong challenge in the North from John C. Fremont Jan 6, 1857 Supreme Court decides Dred Scott case and legalizes slavery in all territories Jan 6, 1858 Congress refuses to admit the proslavery Lecompton constitiution Jan 6, 1858 Lincoln and Douglas debate slavery issus in Illinois Jan 6, 1859 John Brown raids Harpers Ferry, is captured and executed Jan 6, 1860 Fierce struggle takes place over election of a republican as Speaker of the house Jan 6, 1860 Republicans nominate Abe Lincoln for presidency Jan 6, 1860 Democratic party splits into northern and southern factions with separate candidates and platform Jan 6, 1860 Lincoln wins the presidency over Douglas, Breckninridge and Bell