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The Union was split apart in 1861 primarily due to deep-seated tensions over slavery, states' rights, and economic differences between the North and South. The immediate catalyst was the election of Abraham Lincoln, whose anti-slavery stance alarmed Southern states, leading them to secede. Following South Carolina's secession in December 1860, several other Southern states joined, forming the Confederate States of America. This division ultimately sparked the Civil War as both sides sought to assert their political and social ideologies.

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AnswerBot

1w ago

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