Manifest Destiny and 

the Expansion of Slavery

Missouri Compromise  (1820)

      -36° 30' Line

Republic of Texas  (1836-1845)

     -Sam Houston

Election of 1844

      -James K. Polk  (Democrat)

      -Henry Clay  (Whig)

Mexican-American War

     -Wilmot Proviso

     -Treaty of Guadalupe-Hidalgo  (1848)
 

Election of 1848

     -Zachary Taylor  (Whig Party)

     -Lewis Cass  (Democratic Party)

           -Popular Sovereignty

     -Martin Van Buren  (Free Soil Party)

Compromise of 1850

      -Fugitive Slave Law  (1850)

Kansas-Nebraska Act  (1854)

      -Stephen A. Douglas

          -Popular Sovereignty

Republican Party  (1854)  

Dred Scott v. Sanford  (1857)

Election of 1860  

       
    Manifest Destiny              Missouri Compromise,
                                                 1820-1821

       
   East & West Florida            Texas Revolution, 1836

  
    Mexican War, 1846-1848

 
   Compromise of 1850    

          
    Kansas-Nebraska Act,              The Republican Party
                1854

 
        Election of 1860