The significance of the Gettysburg Address delivered by Lincoln was It emphasized national unity and sacrifice.

Delivered on November 19, 1863, during the dedication of the Soldiers' National Cemetery, the speech emphasized the values of equality and democracy. Lincoln paid tribute to the brave soldiers who had fallen and stressed the necessity of maintaining the Union, portraying the Civil War as a challenge to the nation's dedication to its foundational principles. The address presented a vision for a united country, highlighting the sacrifices made and motivating a renewed commitment to the war effort and the pursuit of freedom.