The greatest concern or emergency mentioned by Abraham Lincoln in his Gettysburg Address was the survival and endurance of democracy and the nation itself amid the ongoing Civil War. Lincoln framed the war as a test of whether a nation "conceived in Liberty, and dedicated to the proposition that all men are created equal" could long endure. He emphasized that the conflict was not just about preserving the Union but about proving that a government "of the people, by the people, for the people, shall not perish from the earth." This highlights his deepest concern: whether democracy could sustain itself and the nation could survive the crisis