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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abraham lincoln  (february 12, 1809  – april 15, 1865) was an american statesman, politician, and lawyer who served as the 16th  president of the united states  from 1861 until  his assassination  in april 1865. lincoln led the nation through the  american civil war, its bloodiest war and its greatest moral, constitutional, and political crisis.[2][3]  he preserved the  union,  abolished slavery, strengthened the  federal government, and modernized  the u.s. economy.