Final answer:
Northerners were upset about Breckinridge's candidacy because it protected and expanded slavery, opposing the growing sentiment against the institution in new territories. His support for pro-slavery policies represented a significant threat to the ideals of freedom promoted in the North. This tension highlighted the increasing divide in the nation leading up to the Civil War.
Explanation:
Reasons for Northerners' Upset Over the Breckinridge Election
The question refers to the political climate surrounding the election of 1860, specifically the candidacy of John C. Breckinridge. Northerners were particularly upset about Breckinridge's platform because it protected and expanded slavery. This was a significant concern for many Northerners who opposed the expansion of slavery into new territories and states, which they felt threatened the ideals of freedom and equality.
Breckinridge, who was a candidate from the Southern Democrats, supported the enforcement of the Dred Scott decision and opposed the Free-Soil movement, which aimed to prevent the spread of slavery into the western territories. This alignment with pro-slavery principles was seen as a direct affront to the efforts of abolitionists and anti-slavery activists in the North.
Furthermore, the election of Breckinridge symbolized a broader division in the country, making it clear that the issues of slavery and states' rights would lead to increasing tensions between the North and South. His victory would mean a step backward for the cause of ending slavery, leading to deepening frustrations among Northerners who were advocating for freedom and equality.
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