Question

Now we are engaged in a great civil war, testing whether that nation or any nation

Answer 1

Answer:

D

Explanation:

Abswer

You know, probably everyone would disagree, but I would choose the last one. He is speaking about all three. He did use factual evidence when he stated that The US was written into existence Four Score and 7 years ago.

B and C are in the Gettysburg address: Lincoln always had sympathy for the struggles people  had to go through, and the whole speech is dedicated to the ideals of the founding fathers. If you get a better answer that can choose one answer above the other two, take it.