I believe the answer is A: Roman Emperors Through History because it was printed in 1721, the only book on the list not published after 1800.
Hope this helps!
Here are the answers to the given questions above.
1. John O'Sullivan suggests that Americans should be able to possess by right of Manifest Destiny is <span>to overspread and to acquire the entirety of the continent which the Almighty has provided them for the development of the great experiment of liberty and the democratic government invested to them.
2. The reason he gives is that it is f</span><span>or the full expansion of its principle and destiny of growth.
Hope this answer helps.</span>
