<P> Following Maine's 1820 and Missouri's 1821 admissions to the Union, no other states were admitted until 1836, when Arkansas was admitted . </P> <P> The Compromise was deeply disappointing to African - Americans in both the North and South . It stopped the southern progression of gradual emancipation at Missouri's southern border and legitimized slavery as a southern institution . </P> <P> The provisions of the Missouri Compromise forbidding slavery in the former Louisiana Territory north of the parallel 36 ° 30 ′ north were effectively repealed by Stephen A. Douglas's Kansas--Nebraska Act of 1854 . The repeal of the Compromise caused outrage in the North and sparked the return to politics of Abraham Lincoln, who criticized slavery and excoriated Douglas's act in his "Peoria Speech" (October 16, 1854). </P>

What were the regulations of the missouri compromise