Anti-Slavery Politics and
the Origins of the Civil
War, 1844-1860
Whigs and Anti-Expansionism
Texas annexation and war with
Mexico as slaveholder conspiracies
Wilmot Proviso (Texas as last slave
state annexed)
Cotton and Conscience Whig
divisions
Liberty Party created in 1844 (helps
Democrat win presidency)
The Free Labor Ideology Emerges
Free Soil Party created(1848)
Slavery degrades work ethic,
promotes laziness
Honest work demeaned (rugged
individualism)
Northern laborers should be able to
escape wage slavery and gain and
work western land
Compromise of 1850 (Henry
Clay)
Mexican cessions upset slave-free state
balance (How to admit new states?)
California admitted as free state
New Mexico and Utah divided
U.S. to assume Texas debt
Slave trade in D.C. abolished
Fugitive slave laws enhanced
Legislation passed as separate laws with
northern and southern moderates voting
for each bill
Elections of 1848 and 1852
Whigs run Mexican War heroes
• Zachary Taylor (1848)
• Winfield Scott (1852)
Democrats unite on states sights, elect
Franklin Pierce in 1852
Anti-immigrant, anti-Catholic American
Party further divides Whigs
The Kansas-Nebraska Act
(1854)
Popular sovereignty and
Stephen Douglas
Allows choice on slavery issue
Compromise allows transcontinental
railroad to run through northern
states
Voids Missouri Compromise of 1820
Democrat President Pierce supports
it
Bleeding Kansas
Mini-civil war in Kansas over slavery
question
Competing constitutions
Border Ruffians and John Brown
Pierce recognizes pro slavery
Lecompton Constitution
The Rise of the Republican
Party
Northern Whigs
Free Soilers (support Homestead Act
and the Free Labor Ideology)
American Party supporters
Temperance and national education
Abolitionists
Election of 1856
Democrat James Buchanan elected
Republican Party (1854) gains
legitimacy as serious, unified
opposition
The Dred Scott decision (1857)
Taney Court
Slaves are property,
not citizens
Cannot sue in court (no standing)
Cannot deprive person of property
(5th Amendment due process)
Congress cannot prohibit slavery in
territories
Missouri Compromise, Kansas-
Nebraska unconstitutional
Southern “Fire Eaters”
Prohibiting slavery unconstitutional
Right to secession (Union as a
confederation of states)
Northern conspiracy exists to end
slavery
Republican win would be seen as
justifying secession
Hopes of annexing Cuba (Ostend
Manifesto, 1854)
Southern Moderates
Fear losing territories to US if
secession occurs
Racism and fear of Cuban annexation
Fear border state violence and war
John Brown’s Raid on Harper’s
Ferry (1859)
Followers seize federal arsenal to
start armed slave rebellions
Brown arrested, tried, and hanged
Brown seen as a martyr in anti-
slavery movement
Election of 1860
Republicans settle on Lincoln of Illinois
Democrats divide on slavery extension
Southern Democrats in Charleston, select
John Breckinridge, threaten secession if
Republicans win
Northern Democrats in Baltimore, select
Stephen Douglas, favor popular
sovereignty
Constitutional Union Party selects John
Bell, favors compromise and Union
First Round of Secession
Lincoln victory leads to South
Carolina secession (December 1860)
Deep South follows in January 1861
(FL, GA, LA, MS, TX, AL)
Confederate States of
America created
Jefferson Davis (MS.)
elected President
Crittenden Compromise (1860-
1861)
Border states seek compromise
Missouri Compromise Amendment
Federal compensation for runaway
slaves
Prohibit abolition of slavery without
individual state’s approval
Republicans reject plan
(free soil ideology)