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.
Both. By talking about what separates us, we can find a comprimise that brings us together. It's okay for a country to disagree on things. It's not okay to make that disagreement more than it means. By moving on from whats seperates us, we can become a better nation.
B. Ecosystem because there abiotic and biotic things.