They should interview other people who fought in that same war ( which would be back up witness for these two different accounts). So whoever has the most back up witnesses must be telling the truth ( also make sure the other people you interview don't know they are back up witness).
Answer: Propaganda
Explanation:
When Abraham Lincoln said these words, he meant to show that the United States could not continue if the North and the South had differing opinions on slavery and that in the end only one view would stand. Seeing as he was a Republican which was a party opposed to slavery, we know what view he supported.
He therefore used the quote above as propaganda to push forward his views on the division in country.
Yes, I believe that's true. They spread their believes and traditions with them.
