-
1816
proposed the idea of freeing slaves and sending them back to Africa -
1820
allowed Missouri to become a slave state -
1830
organized effort to end the practice of slavery in the United States -
1833
a white student at Lane Theological Seminary named Amos Dresser was publicly whipped in Nashville -
1837
a pro-slavery mob attacked a warehouse in Alton, Illinois, in an attempt to destroy abolitionist press materials -
1850
Congress passed the controversial Fugitive Slave Act, which required all escaped enslaved people to be returned to their owners and American citizens to cooperate with the captures -
1856
a pro-slavery group attacked the town of Lawrence, which was founded by abolitionists from Massachusetts -
1859
Brown led 21 men to capture the U.S. arsenal at Harpers Ferry, Virginia -
1860
nearly 12,000 African Americans had returned to Africa -
1861
North and the South reached its peak, the Civil War broke out -
1863
calling for the freeing of enslaved people in areas of the rebellion -
1865
the Constitution was ratified to include the Thirteenth Amendment, which officially abolished all forms of slavery in the United States
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