Explain why the creation of the state of Missouri caused a political crisis

The creation of the state of Missouri:

The Missouri Compromise was intended to make a harmony among slave and non-slave states. Struggle over the uncomfortable harmony among slave and free states in Congress reached a crucial stage when Missouri requested of to join the Union as a slave state in 1819, and the discussion expanded from straightforward issues of portrayal to an evaluate of the ethical quality of bondage.

On March 3, 1820, the definitive votes in the House conceded Maine as a free state, Missouri as a slave state, and made free soil every single western domain north of Missouri's southern fringe. At last, the Missouri Compromise neglected to for all time facilitate the fundamental strains brought about by the servitude issue.

The contention that erupted during the bill's drafting forecasted how the country would in the long run isolate along regional, financial and ideological lines 40 years after the fact during the Civil War. They dreaded this would prompt the West being ruled by slaveholders.