Respuesta :
the answer is D because he is talking about how the war will be important for the future
The correct answer is:
d. Lincoln thinks the civil war will be of outstanding significance or importance.
Lincoln refers to the American Civil War (1861 - 1865), which confronted the Union and Confederate Armies. And the Battle of Gettysburg, which had taken place a few months before Lincoln delivered his Gettysburg Address, is recognized as a turning point in the war in favor of the Union cause.