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Missouri Compromise
United States federal legislation that stopped northern attempts to forever prohibit slavery's expansion by admitting Missouri as a slave state and Maine as a free state -
Nat Turner's Rebellion
a rebellion of enslaved Virginians that took place in Southampton County, Virginia, in August 1831, led by Nat Turner -
Gag Rule
In United States history, the gag rule was a series of rules that forbade the raising, consideration, or discussion of slavery in the U.S. -
Wilmot Proviso
The Wilmot Proviso was an unsuccessful 1846 proposal in the United States Congress to ban slavery in territory acquired from Mexico in the Mexican–American War. -
Harriet Tubman escapes slavery
Harriet Tubman escapes from a slavery plantation in Maryland. Later she guides 200 slaves to freedom on the Under Ground Railroad. -
Compromise of 1850
The Fugitive Slave Act was amended and the slave trade in Washington, D.C., was abolished. -
Uncle Tom’s Cabin published
is an anti-slavery novel by American author Harriet Beecher Stowe. Published in two volumes in 1852, the novel had a profound effect on attitudes toward African Americans and slavery in the U.S -
Kansas Nebraska Act
allowed each territory to decide the issue of slavery on the basis of popular sovereign. -
Bleeding Kansas
Bleeding Kansas, Bloody Kansas, or the Border War was a series of violent civil confrontations in Kansas Territory, and to a lesser extent in western Missouri, between 1854 and 1859. It emerged from a political and ideological debate over the legality of slavery in the proposed state of Kansas -
Dred Scott Decision
Dred Scott v. Sandford, 60 U.S. 393, was a landmark decision of the United States Supreme Court in which the Court held that the United States Constitution was not meant to include American citizenship -
Lincoln-Douglas Debates
The Lincoln–Douglas debates were a series of seven debates between Abraham Lincoln, the Republican Party candidate for the United States Senate from Illinois, and incumbent Senator Stephen Douglas, the Democratic Party candidate -
John Brown raids Harpers Ferry
John Brown's raid on Harpers Ferry was an effort by abolitionist John Brown, from October 16 to 18, 1859, to initiate a slave revolt in Southern states by taking over the United States arsenal at Harpers Ferry, Virginia. It has been called the dress rehearsal for, or Tragic Prelude to, the Civil War -
Abraham Lincoln elected
The 1860 United States presidential election was the 19th quadrennial presidential election, held on November 6, 1860.