An angry Atchison called on pro-slavery Missourians to uphold slavery by force and " to kill every God-damned abolitionist in the district " if necessary.

Despite this show of force, far more free-soilers than pro-slavery settlers migrated to Kansas.

* 1855 – Origins of the American Civil War: Bleeding Kansas – " Border Ruffians " from Missouri invade Kansas and force election of a pro-slavery legislature.

The Border Ruffians were pro-slavery activists from the slave state of Missouri, who in 1854 to 1860 crossed the state border into Kansas Territory, to force the acceptance of slavery there.

During a confrontation with the pro-slavery territorial government in 1857, Blunt joined a force including Jim Lane and abolitionist John Brown.

Violence soon erupted, with the anti-slavery forces led by John Brown, and Bleeding Kansas, involving anti-slavery and pro-slavery settlers, became a symbol for the nationwide clash over slavery.

In October several men led by Duff Green demanded that Daniel Marshall provide medical assistance to the pro-slavery faction.

Whig leader Henry Clay designed a compromise, which failed to pass in early 1850, due to the opposition of both pro-slavery southern Democrats, led by John C. Calhoun, and anti-slavery northern Whigs.

Calhoun led the pro-slavery faction in the Senate in the 1830s and 1840s, opposing both abolitionism and attempts to limit the expansion of slavery into the western territories ; actively anti-Wilmot Proviso.

Douglas ' Freeport Doctrine, and the fact that he helped defeat the pro-slavery Lecompton Constitution, made Douglas unpopular in the South, which led to the 1860 split of the Democratic Party into Northern and Southern wings.

During the night of May 24, the group, which included four of Brown's sons, led five pro-slavery men from their homes and hacked them to death with broadswords.

The pro-slavery faction, led by Jesse D. Bright, expelled many anti-slavery members of the party including Hovey during the 1858 state convention.

During the " Bleeding Kansas " struggle, he led a company on the pro-slavery side.

The events that led to the Wakarusa War began on November 21, 1855, when a Free-Stater named Charles Dow was shot and killed by pro-slavery settler Franklin N. Coleman.

But they were followed by a reactionary governor, Francisco Lersundi, who suppressed all liberties granted by the previous governors and maintained a pro-slavery regime.

Douglas ( and Atchison ) had assumed that Nebraska would be settled by Free-State men from Iowa and Illinois, and Kansas by pro-slavery Missourians and other Southerners, thus preserving the numerical balance between free states and slave states.

John Brown and his sons gained notoriety in the fight against slavery by murdering five pro-slavery farmers in the Pottawatomie Massacre with a broadsword.

* 1856 – Lawrence, Kansas is captured and burned by pro-slavery forces.

* May 19 – The Marais des Cygnes massacre is perpetrated by pro-slavery forces in Bleeding Kansas.

* November 7 – American abolitionist and newspaper editor Elijah Lovejoy is killed by a pro-slavery mob, at his warehouse in Alton, Illinois.

* May 21 – Lawrence, Kansas is captured and burned by pro-slavery forces ( the " Sacking of Lawrence ").

Although the school's first articles of incorporation were adopted in 1859, founder John Gregg Fee and the teachers were forced out of the area by pro-slavery supporters in that same year.

The extreme pro-slavery " Fire-Eater " William Lowndes Yancey and the Alabama delegation first left the hall, followed by the delegates of Florida, Georgia, Louisiana, Mississippi, South Carolina, Texas, three of the four delegates from Arkansas, and one of the three delegates from Delaware.

" Even though the 1852 pro-slavery novel Life at the South ; or, " Uncle Tom's Cabin " As It Is, by W. L. G.

Minstrel show retellings in particular, usually performed by white men in blackface, tended to be derisive and pro-slavery, transforming Uncle Tom from Christian martyr to a fool or an apologist for slavery.

The Times was founded in 1854 by James W. Sheahan, with the backing of Stephen Douglas, and was identified as a pro-slavery newspaper.

Nominated by the Southern faction of the split Democratic Party, he was supported by incumbent Democratic president Buchanan and ran on a pro-slavery platform.

Open conflict with earlier settlers ensued, driven by religious and cultural differences, and the perception by pro-slavery Missourians that the " Yankee " " Mormons " were abolitionists.

The Cawood family which was also Democratic and pro-slavery, had a family member murdered by Union sympathizers in revenge for a man who had been killed by the Confederates.

John Brown had already fought against pro-slavery forces in Kansas for several years when he decided to lead a raid on Harpers Ferry, Virginia ( West Virginia was not yet a state ).

Lane is the site where in 1856, John Brown ( abolitionist ) and 4 other of his followers hacked 3 pro-slavery men to death with broadswords near Pottawatomie Creek.

The larger, and main conflict known as the Battle of Osawatomie began August 30, 1856 as John Brown was camped just north Osawatomie and looking east for pro-slavery forces.

Chase was a complete change from the pro-slavery Taney ; one of Chase's first acts as Chief Justice was to admit John Rock as the first African-American attorney to argue cases before the Supreme Court.

As a youth he himself briefly took a pro-slavery position, under the influence of a cousin, the Richmond editor John Moncure Daniel.

The famous poet and abolitionist John Greenleaf Whittier had called for such laws and the Whittier controversy heightened angry pro-slavery reactions to the Vermont law.

On June 2, 1856, John Brown took future Confederate Colonel Henry Clay Pate and 22 other pro-slavery soldiers prisoner at the Battle of Black Jack.

In 1836, he resisted petitions by the Quakers to abolish slavery in Washington, D. C., but he also opposed radical pro-slavery measures such as John C. Calhoun's proposal to ban abolitionist literature from being delivered by mail in the Southern states.

John Brown was a militant abolitionist who advocated guerrilla warfare to combat pro-slavery advocates.

Lane was the nominee for Vice President of the United States of the pro-slavery Southern wing of the Democratic Party, running on a ticket headed by John C. Breckinridge.

Lane was nominated for Vice President by the pro-slavery southern wing of the Democratic Party Party in 1860 alongside Presidential candidate John C. Breckinridge, the most ardently pro-slavery candidate in the election.

Samuel G. Morton, for example, claimed to be just a scientist but he did not hesitate to provide evidence of Negro inferiority to John C. Calhoun, the prominent pro-slavery Secretary of State to help him negotiate the annexation of Texas as a slave state.

In revenge for the sacking of Lawrence, Kansas by pro-slavery forces such as Border Ruffians, in which a sheriff-led mob trashed newspaper offices and a hotel and killed two men, John Brown and various abolitonist settlers and abolitionist groups, most of whom were Pottawatomie Rifles, killed five pro-slavery settlers.

Osawatomie Brown is a play, by Kate Edwards, about John Brown's struggle with pro-slavery forces in Kansas which brought him national attention and made him a hero to many Northern abolitionists.

Although many scholars therefore view Ham as an eponym used to represent Egypt in the Table of Nations, a number of Christians throughout history, including Origen and the Cave of Treasures, have argued for the alternate proposition that Ham represents all black people, his name symbolising their dark skin colour ; pro-slavery advocates, from Eutychius of Alexandria and John Philoponus, to American pro-slavery apologists, have therefore occasionally interpreted the narrative as a condemnation of all black people to slavery.

With social tensions increasing in the years leading up to the American Civil War, and especially after John Brown's Raid, in December 1859 a band of armed pro-slavery men came to Berea while Fee was still away in the East.