Causes include controversy over admitting Missouri as a slave state in 1820, the acquisition of Texas as a slave state in 1845 and the status of slavery in western territories won as a result of the Mexican – American War and the resulting Compromise of 1850.

Henry Clay introduced in the Senate a series of resolutions, the Compromise of 1850, to allow admission while addressing concerns of both sides of the issue ; at the same time Johnson introduced a similar more streamlined version of compromise in the House.

Johnson supported the Compromise of 1850 with the exception of its abolition of slavery in the nation's capital.

* Rhodes ; James Ford History of the United States from the Compromise of 1850 to the McKinley-Bryan Campaign of 1896 Volume: 6.

* 1850 – Henry Clay introduces the Compromise of 1850 to the U. S. Congress.

He had not served a year when he resigned ( in September 1851 ) to run for the governorship of Mississippi on the issue of the Compromise of 1850, which Davis opposed.

Douglas, hoping to achieve the support of the Southerners, publicly announced that the same principle that had been established in the Compromise of 1850 should apply in Nebraska.

In the Compromise of 1850, Utah and New Mexico Territory had been organized without any restrictions on slavery, and many supporters of Douglas argued that this compromise had already superseded the Missouri Compromise.

The bill had been significantly modified by Douglas, who had also authored the New Mexico and Utah territorial acts, to mirror the language from the Compromise of 1850.

Pierce was persuaded to support repeal, and, at Douglas ’ insistence, Pierce provided a written draft asserting that the Missouri Compromise had been made inoperative by the principles of the Compromise of 1850.

The act itself virtually nullified the Missouri Compromise of 1820 and the Compromise of 1850.

In the Compromise of 1850 Texas ceded its claims to the area lying east of the Rio Grande in exchange for ten million dollars and the US government established the New Mexico Territory on September 9, 1850, including most of the present-day states of Arizona and New Mexico, and part of Colorado.

* 1850 – The Compromise of 1850 transfers a third of Texas's claimed territory ( now parts of Colorado, Kansas, New Mexico, Oklahoma, and Wyoming ) to federal control in return for the U. S. federal government assuming $ 10 million of Texas's pre-annexation debt.

However, under the Compromise of 1850, Utah Territory was created and Brigham Young was appointed governor.

Taylor was firmly opposed to the Compromise of 1850 and committed to the admission of California as a free state and had proclaimed that he would take military action to prevent secession.

In July 1850, Taylor died ; Vice President Millard Fillmore, a long-time Whig, became the President, and he helped push the Compromise through Congress in the hopes of ending the controversies over slavery.

The Compromise of 1850 fractured the Whigs along pro-and anti-slavery lines, with the anti-slavery faction having enough power to deny Fillmore the party's nomination in 1852.

With heavy political lobbying, the Compromise of 1850, passed by Congress after the Mexican-American War, stipulated a more stringent Fugitive Slave Law.

The Kansas – Nebraska Act of 1854 () created the territories of Kansas and Nebraska, opening new lands for settlement, and had the effect of repealing the Missouri Compromise of 1820 by allowing settlers in those territories to determine through Popular Sovereignty whether they would allow slavery within each territory.

A wave of indignation erupted across the North as anti-slavery elements cried betrayal, for Kansas had been officially closed to slavery since the Missouri Compromise of 1820, and that Compromise was now repealed because of popular sovereignty.

These territories, however, unlike Nebraska, had not been part of the Louisiana Purchase and had never been subject to the Missouri Compromise.

In the first instance, many had argued that slavery had previously been prohibited under Mexican law just as it was prohibited in Nebraska under the Missouri Compromise.

Pierce had barely mentioned Nebraska in his State of the Union message the previous month and was not enthusiastic about the implications of repealing the Missouri Compromise.

On April 25 in a house speech that biographer William Nisbet Chambers called “ long, passionate, historical, polemical ,” Benton attacked the repeal of the Missouri Compromise, which he “ had stood upon ... above thirty years, and intended to stand upon it to the end -- solitary and alone, if need be ; but preferring company .” The speech was distributed afterwards as a pamphlet when opposition to the act moved outside the walls of congress.

Stephens insisted that the Missouri Compromise had never been a true compromise but had been imposed on the South.

* March 2 – In the Compromise of 1877, the U. S. presidential election, 1876 is resolved with the selection of Rutherford B. Hayes as the winner, even though Samuel J. Tilden had won the popular vote on November 7, 1876.

* May 30 – The Kansas-Nebraska Act becomes law, replacing the Missouri Compromise ( of 1820 ), which had already been declared unconstitutional by the Supreme Court of the United States.

While the bill was silent on this issue, slavery would have been prohibited under the terms of the Missouri Compromise.

These areas would have been strictly " free territory " by the Missouri Compromise, which allowed slavery in the State of Missouri but disallowed it everywhere north of the latitude 36 degrees, 30 minutes, which forms most of the southern boundary of Missouri.

This provision of the Missouri Compromise had already been declared null-and-void by the Supreme Court.

A wave of indignation erupted across the North as anti-slavery elements cried betrayal, for Kansas had been officially closed to slavery since the Missouri Compromise and that Compromise was now repealed because of popular sovereignty.

* The South avoided adoption of the symbolically significant Wilmot Proviso and the new New Mexico Territory and Utah Territory could in principle decide in the future to become slave states ( popular sovereignty ), even though Utah and a northern fringe of New Mexico were north of the Missouri Compromise Line where slavery had previously been banned in territories.

However, the Committee of Eleven, formed to work out various details including the mode of election of the President, recommended instead that the election be by a group of people apportioned among the states in the same numbers as their representatives in Congress ( the formula for which had been resolved in lengthy debates resulting in the Connecticut Compromise and Three-fifths compromise ), but chosen by each state " in such manner as its Legislature may direct.

Years of uncertainty ensued for the Connecticut settlers in the Wyoming Valley, until in April 1799, Pennsylvania passed the Compromise Act allowing settlers ( in those townships which had been created and settled before the Trenton Decree of 1782 ) to prove their chain of title and pay a fee in return for certification of their title.

Writing in dissent, Justice Harlan argued that the statements cited by Justice Black had uniformly been in the context of the Great Compromise.

Compromise had long been out of the question.

* 1819 – The United States House of Representatives passes the Missouri Compromise for the first time.

In popular usage, especially since the Missouri Compromise of 1820 ( apparently the first official use of the term " Mason's and Dixon's Line "), the Mason – Dixon Line symbolizes a cultural boundary between the Northeastern United States and the Southern United States ( Dixie ).

His first solo project, For Him Who Has Ears to Hear, was released in 1977 and his second solo release, No Compromise, followed in 1978.

The Missouri Compromise of 1820 made the territory into a state, and Benton was elected as one of its first senators.

Lincoln said that ending the Missouri Compromise ban on slavery in Kansas and Nebraska was the first step in this direction, and that the Dred Scott decision was another step in the direction of spreading slavery into Northern territories.

Additionally, the first appearance of substantive due process as a concept arguably appeared earlier in the case of Bloomer v. McQuewan,, so that Chief Justice Taney would not have been entirely breaking ground in his Dred Scott opinion when he pronounced the Missouri Compromise unconstitutional because, among other reasons, an " act of Congress that deprived a citizen of his liberty or property merely because he came himself or brought his property into a particular territory of the United States, and who had committed no offence against the laws, could hardly be dignified with the name of due process of law.

The House, after first voting down a counter-proposal simply to extend the Missouri Compromise line across the Mexican Cession, passed the proviso by a vote of 83-64.

Walker at first opposed the Compromise of 1850, but was won over later by the arguments of Stephen A. Douglas.

The first half of the compilation was done on the H-800 computer using completed sections of the H-800 Compiler ; the remainder was done on the Compromise Compiler.

The Constitutional Union Party, formed in support of the Compromise of 1850, gained 10 seats ( its first ever ) and was concentrated in Georgia.