Timeline of key events leading to the American Civil War from 1840 to 1860, highlighting political and social developments such as the Missouri Compromise, the Dred Scott Decision, and the election of Abraham Lincoln.

A historical infographic titled "Causes of the Civil War Timeline" showing key events from 1840 to 1860, including the Missouri Compromise, the Mexican-American War, the Compromise of 1850, the Dred Scott Decision, and the presidential election of 1860, with illustrations and descriptions of each event.