What famous speech did Abraham Lincoln give at the dedication of a cemetery in Gettysburg?

Abraham Lincoln delivered the Gettysburg Address during the dedication of the Soldiers' National Cemetery in Gettysburg on November 19, 1863. This speech is renowned for its concise yet powerful message that emphasized the principles of human equality and the importance of the Civil War in ensuring the survival of the nation. Lincoln honored the fallen soldiers by reaffirming the constitutional commitment to a government "of the people, by the people, for the people," suggesting that their sacrifices were vital for the preservation of democracy.

The Gettysburg Address stands out not only for its historical significance but also for its eloquent articulation of the ideals that the nation was founded upon and its call for national unity and healing following the devastating effects of the war. The other options, while significant in their own right, either do not relate to the cemetery dedication or are part of different contexts surrounding Lincoln’s presidency and the fight for civil rights.