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Mexican American War
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Period: to
Increasing Catholic Migration
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1848 Presidential Election
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Fugitive Slave Act of 1850
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Period: to
1854-55 Midterm Elections
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Kansas-Nebraska Act
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Caning of Senator Charles Sumner
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Minnesota Joins the Union as a Free State
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Period: to
Lincoln-Douglas Debates
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John Brown's Raid at Harpers Ferry
