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Missouri Compromise
The missouri compromise of 1820 allowed Missouri to enter the Union as a slave state. -
Slavery in United States
The debate over the future of slavery caused the disruption of Civil War. The southerners think slavery should be kept, but northerners think slavery should be abolished. -
Underground Railroad
It is a network of abolitionsts who led enslaved people to freedom in the North or Canada. -
Dred Scott Decision
Northerners were outraged by the decision over scott. -