Read this quotation from the beginning of the Gettysburg Address. Four score and seven years ago our fathers brought forth on this continent a new nation, conceived in Liberty
What does Lincoln's reference to an earlier time period suggest?
A. He recognizes the need for humor at a sad time.

B. He wishes to honor the sacrifices made at Gettysburg.
C. He is concerned with losses due to battlefield casualties.
D. He is presenting the war as a fight to save the legacy of the nation's founders.