How was Abraham lincolns victory in the 1860 election a turning point in American history?

Abraham Lincoln's victory in the 1860 election was a turning point in American history as it intensified the sectional divide between the North and South over the issue of slavery. His anti-slavery platform alarmed Southern states, leading to the secession of several states and the eventual outbreak of the Civil War. Lincoln's leadership during the war and his commitment to preserving the Union and abolishing slavery fundamentally reshaped the nation, paving the way for civil rights advancements. This election marked the beginning of a transformative era in American politics and society.