The American Civil War took place from 1861 to 1865. Triggered by a myriad of tensions between the Northern states and the Southern states, particularly over issues like slavery and states' rights, it became a pivotal conflict in American history. The war saw significant battles and profound social upheaval, ultimately leading to the end of slavery and the preservation of the Union. The aftermath had lasting effects, shaping civil rights movements and national identity. The Civil War remains a critical chapter in understanding America's development as a nation and its ongoing struggles with race and equality.