Final answer:
Slavery was a major problem that led to the Civil War.
Step-by-step explanation:
One problem that led to the Civil War was slavery. The issue of slavery divided the country and caused significant tension between the North and the South. The Southern states relied heavily on slavery for their agrarian economy, while the Northern states opposed slavery and advocated for its abolition. This disagreement ultimately led to the outbreak of the Civil War.
Learn more about Causes of the Civil War