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  https://en.wikipedia.org/wiki/Fugitive_Slave_Act_of_1850 The Fugitive Slave Act was a compromise between southern slave holding interests.
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  It allowed people in the territories of Kansas and Nebraska to decide for themselves whether or not to allow slavery within their borders.
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  https://en.wikipedia.org/wiki/United_States_presidential_election,_1860
 The election of 1860 was the 19th election for president, and the president that was elected was Abraham Lincoln.
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  The Monitor vs The Merrimack was was the most noted and arguably most important naval battle of the American Civil War from the standpoint of the development of navies.
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  https://en.wikipedia.org/wiki/Battle_of_Shiloh The Battle of Shiloh was a battle fought in the Western Theatre of the American Civil War.
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  It was an presidential proclmation order made by preident Abraham Lincoln.
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  The Battle of Gettysburg was fought during the Civil War in Gettysburg, Pennsylvania.
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  A battle that was led to end the Civil War
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  President Abraham Lincoln was shot at a theatre.
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  The Thirteenth Admendent abolished slavery.