Final answer:
The main causes of the Civil War were the conflict between states' rights and federal power concerning slavery, the economic system of slavery, and other issues such as states' borders and agriculture.
Step-by-step explanation:
The main causes of the Civil War can be attributed to the conflict between states' rights and federal power concerning slavery, which was a major point of contention between the North and the South.
During this time, the South relied heavily on slavery as an economic system, while the North opposed the expansion of slavery into new territories. As a result, tensions grew between the two regions.
Additionally, issues such as states' borders and agriculture played a role in exacerbating the divide between the North and the South.
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