Answer:
A. "The world... will never forget what they did here."
Explanation:
The emotional appeal of this passage is that "they" (probably the Confederates) committed an atrocity so great that the entire world will remember its scope. None of the other passages really do anything to appeal to the audience's emotions for lack of phrases that can do so.
This one is a simple sentence.
C) summarizing explains all of the main ideas in a source while paraphrasing focuses on just a few sentences
