The Civil War was one of the most significant events in the history of the United States. The war lasted for four years, from 1861 to 1865, and it was fought between the Northern and Southern states. The North was called the Union, and the South was called the Confederacy. The primary cause of the Civil War was slavery. The Southern states relied heavily on agriculture, and they needed a cheap source of labor. Slavery was their answer. However, many… Read more.