Final answer:
Abraham Lincoln's Gettysburg Address was a concise yet powerful speech that highlighted the significance of the Civil War and called for the preservation of a government by the people.
Step-by-step explanation:
The Gettysburg Address delivered by Abraham Lincoln on November 19, 1863, was a concise yet powerful speech that focused on the profound significance of the Civil War. Lincoln emphasized that the war was a test of whether the Union, founded in 1776, would endure or perish.
He highlighted the sacrifice of those who died at Gettysburg and called for the preservation of a "government of the people, by the people, for the people." Lincoln's address redefined the war as a struggle for both the Union and the fundamental principle of equality.