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organized without any restrictions on slavery, and many supporters of Douglas argued that this compromise had already superseded the Missouri Compromise.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 had been first proposed by the Whig Henry Clay of Kentucky.

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.

Taney then overturned the Missouri Compromise, which banned slavery in territory north of the 36 ° 30 ' parallel.

When Stanford was Governor of California, the Legislature passed on April 22, 1863, " An Act to Authorize the Board of Supervisors of the City and County of San Francisco to take and subscribe One Million Dollars to the Capital Stock of the Western Pacific Rail Road Company and the Central Pacific Rail Road Company of California and to provide for the payment of the same and other matters relating thereto " ( which was later amended by Section Five of the " Compromise Act " of April 4, 1864 ).

To counter this, Atchison proposed that the area be organized and that the section of the Missouri Compromise banning slavery there be repealed in favor of popular sovereignty, under which the settlers in each territory would decide themselves whether slavery would be allowed.

Polk argued instead for extending the Missouri Compromise line to the Pacific Ocean, which would prohibit the expansion of slavery above 36 ° 30 ' west of Missouri, but allow it below that line if approved by eligible voters in the territory.

On 21 December 1865 he was chosen vice-president of the diet, and in March 1866 became president of the sub-committee appointed by the parliamentary commission to draw up the Composition ( commonly known as the Austro-Hungarian Compromise of 1867 ) between Austria and Hungary, of which the central idea, that of the " Delegations ," originated with him.

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.

* 1867 – The Ausgleich (" the Compromise ") is born through Act 12, which establishes the Austro-Hungarian Empire.

Clay however moved to pass the Compromise of 1833, which met Southern complaints by a gradual reduction of the rates on imports to a maximum of twenty percent.

* 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.

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.

** The Austro-Hungarian agreement ( called Ausgleich in German or kiegyezés in Hungarian (" the Compromise ")) is born through Act 12, which establishes the Austro-Hungarian Empire ; on June 8 Emperor Francis Joseph of Austria is crowned King of Hungary.

* March 7 – United States Senator Daniel Webster gives his " Seventh of March " speech in which he endorses the Compromise of 1850 in order to prevent a possible civil war.

The decrease was brought about by the Missouri Compromise of 1820, which made the region of Maine — long part of Massachusetts — a free state to balance the pending admission of slave state Missouri.

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 ( 1846 – 1848 ).

* Texas surrendered its claim to New Mexico, which it had threatened war over, as well as its claims north of the Missouri Compromise Line, transferred its crushing public debt to the federal government, and retained the control over El Paso that it had established earlier in 1850, with the Texas Panhandle ( which earlier compromise proposals had detached from Texas ) thrown in at the last moment.

According to historian Mark Stegmaier, " The Fugitive Slave Act, the abolition of the slave trade in the District of Columbia, the admission of California as a free state, and even the application of the formula of popular sovereignty to the territories were all less important than the least remembered component of the Compromise of 1850 -- the statute by which Texas relinquished its claims to much of New Mexico in return for federal assumption of the debts.

Most Northern Whigs, led by William Henry Seward who delivered his famous " Higher Law " speech during the controversy, opposed the Compromise as well because it would not have applied the Wilmot Proviso to the western territories and because of the new fugitive slave law, which would have pressed ordinary citizens into duty on slave-hunting patrols.

In these he presented the strategy of the so-called Historic Compromise, a proposed coalition between the Italian Communist Party and the Christian Democrats to grant Italy a period of political stability, at a time of severe economic crisis and in a context in which some forces were allegedly manoeuvering for a coup d ' état in Italy.

On January 29, 1850, Clay proposed a series of resolutions, which he considered to reconcile Northern and Southern interests, what would widely be called the Compromise of 1850.

Tensions cooled after both sides agreed to the Compromise Tariff of 1833, a proposal by Senator Henry Clay to change the tariff law in a manner which satisfied Calhoun, who by then was in the Senate.

Moro's idea was openly criticised, as such an " Historic Compromise " would have involved a PCI which was still under direct influence from Moscow.

Combined with other slavery related issues, the Wilmot Proviso led to the Compromise of 1850, which helped buy another shaky decade of peace.