What is the allusion of Gettysburg address?

The Gettysburg Address, delivered by Abraham Lincoln in 1863, alludes to the principles of human equality and democracy as articulated in the Declaration of Independence. It references the sacrifices made by soldiers at the Battle of Gettysburg, emphasizing the need to honor their commitment by ensuring that the nation continues to uphold its founding ideals. The speech also alludes to the notion of a "new birth of freedom," highlighting the Civil War as a pivotal moment in the struggle for civil rights and a united nation. Through these allusions, Lincoln reinforces the purpose of the war as a test of the nation's dedication to democracy.