Final answer:
The cause of the Civil War was disagreement over states rights, different economies in the North and South, and slavery.
Step-by-step explanation:
The cause of the Civil War was disagreement over a) states rights, b) different economies in the North and South, and c) slavery. The Southern states relied on a slave economy and preferred a weak central government, while the Northerners preferred a strong central government to outlaw slavery nationwide. The inability to settle this disagreement led to the Civil War.
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