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The Civil War was sparked by sectionalism, slavery, and states' rights disputes. The North and South disagreed on economic, social, and political matters. Slavery was a major source of conflict, as the South relied on it economically while the North opposed it morally. States' rights also played a role, with the South asserting their right to determine their own laws, including slavery. When Lincoln became president and posed a threat to their lifestyle, Southern states seceded in order to protect their states' rights and slavery. This initiated the beginning of the Civil War.

The Civil War started because of sectionalism, slavery, and states' rights disputes. The North and South disagreed on economic, social, and political matters, primarily slavery. The South relied on slavery economically, while the North opposed it morally. With Lincoln's presidency posing a threat to their lifestyle, Southern states seceded to protect their states' rights and slavery, starting the Civil War.