Place how did the number of slave states change between 1821 and 1854

The slave states

Explanation:

The number of slave states changes between 1821 and 1854 because of compromises and Acts which gave some states the rights to practice slavery.

The Missouri Compromise of 1820 deal with the growth of the slavery states in the western territories in America. The compromise declared Missouri as a slave state. The Compromise of 1850 and the Kansas-Nebraska Act was the issue related to slavery.

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