Final answer:
Sectionalism, Slavery, and States' Rights vs Federal Rights were the main causes of the Civil War.
Step-by-step explanation:
The causes of the Civil War are:
- Sectionalism: The growing divide between the Northern and Southern states over economic and political issues.
- Slavery: The issue of slavery and its expansion into new territories further intensified tensions between the North and the South.
- States' Rights vs Federal Rights: The disagreement over the balance of power between state and federal governments played a significant role in sparking the conflict.
These three factors, among others, contributed to the outbreak of the Civil War.
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