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American Colonization Society
Founded in 1816, the primary support for the return of free African Americans to greater freedom in Africa. -
Missouri Compromise
An agreement passed in 1820 between the pro-slavery and anti-slavery factions in the United States Congress, involving primarily the regulation of slavery in the western territories. It prohibited slavery in the former Louisiana Territory north except within the boundaries of the proposed state of Missouri. -
American Anti-Slavery Society
Slaves were freed form work plantations -
Liberty Part Forms
The Liberty Party was a minor political party in the United States in the 1840s. The party was an early advocate of the abolitionist cause. -
The Mexican-American War
The Mexican–American War, also known as the First American Intervention, was an armed conflict between the United States of America and Mexico from 1846 to 1848 in the wake of the 1845 U.S. -
Wilmot Proviso
Wilmot Proviso, one of the major events leading to the American Civil War, would have banned slavery in any territory to be acquired from Mexico in the Mexican War or in the future, including the area later known as the Mexican Cession, but which some proponents construed to also include the disputed lands in south Texas and New Mexico east of the Rio Grande. -
California Gold Rush
The first sightings of gold in California. Over 300,000 people started going to California on acount of hearing about all of the gold. -
Free Soil Party Forms
The Free Soil Party was a short-lived political party in the United States active in the 1848 and 1852 presidential elections, and in some state elections. -
Compromise of 1850
The Compromise of 1850 was a package of five bills, passed in September 1850, which defused a four-year confrontation between the slave states of the South and the free states of the North regarding the status of territories acquired during the Mexican-American War. -
Uncle Tom's Cabin
Uncle Tom's Cabin is an anti-slavery novel by American author Harriet Beecher Stowe. Published in 1852, the novel "helped lay the groundwork for the Civil War", according to Will Kaufman. -
Kansas-Nebraska Act
The Kansas-Nebraska Act created territories for Kansas and Nebraska, making new area's for settlement, and had an effect on the Missouri Compromise by letting settlers in those area's to figure out whether they would want slavery in each territory. -
The Sumner-Brooks Affair
In May 1856, ardent abolitionist Senator Charles Sumner of Massachusetts delivered a two-day speech entitled The Crime Against Kansas. He described excesses that occurred there and the South’s complicity in them. Only some of what he said was true. -
Dred Scott Decision
On March 6, 1857, in a small room in the Capitol basement, the Supreme Court ruled that Congress had no power to prohibit slavery in the territories. -
Lincoln-Douglas Debates
The Lincoln–Douglas Debates of 1858 were a series of seven debates between Abraham Lincoln, the Republican candidate for Senate in Illinois, and the incumbent Senator Stephen Douglas, the Democratic Party candidate. -
Election of 1860
The United States presidential election of 1860 was a quadrennial election, held on November 6, 1860, for the office of President of the United States and the immediate impetus for the outbreak of the American Civil War.