In the course of his Illinois Senatorial campaign against Stephen Douglas in 1858, Abraham Lincoln declared that Congress didn't have power over slavery; that the country would not survive if half were enslaved and half were free; that social and political equality between blacks and whites wasn't good; and that Dred Scott's decision effectively made sovereignty invalid.
Some civilizations were a lot farther in technology to actually be able to become a empire and some also had a great amount of leadership
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This prompt is describing a Progressive author. These writers, referred to as "muckrakers," wrote extensively about the darker side of urban life in hopes of drawing attention- both from citizens and elected officials- to the conditions that create such misery.