What impact the Gettysburg Address have on the nation?
The Union victory effectively stopped Lee's invasion of the North.
That was the military impact of the Battle of Gettysburg.
The short speech given by President Lincoln at the dedication of the new cemetery at Gettysburg several months after the battle - what we now know as the Gettysburg Address - has, over time, had a tremendous political impact on Americans.
President Lincoln had a very clear understanding of the purpose of the American Founding