What did Lincoln's address speech mean

In an interpretation that was radical at the time-but is now taken for granted-Lincoln's historic address redefined the Civil War as a struggle not just for the Union, but also for the principle of human equality.

The Gettysburg Address is a speech delivered by Abraham Lincoln at the November 19, 1863, dedication of Soldier's National Cemetery, a cemetery for Union soldiers killed at the Battle Of Gettysburg during the American Civil War ... Everett spoke for two hours, from memory, before Lincoln took the podium.