Respuesta :
to convince the public that the sacrifices of war had been worthwhile
To convince the public that the sacrifices of war had been worthwhile was one of the purposes of president Lincoln's Gettysburg address. Hence, option C is correct.
What is the main purpose of the Gettysburg Address?
In memory of a manufacturer gravesite established at Gettysburg during the American Civil War, President Abraham Lincoln composed and delivered the Gettysburg Address on November 19, 1863.
The Gettysburg Address is significant because it aimed to give context to the sacrifice of wartime soldiers.
Thus, option C is correct.
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