Answer:
I don't want to do all the work for you, but I will provide a couple of links that will help you tremendously with this:)
Explanation:
https://en.wikipedia.org/wiki/American_Civil_War
https://www.history.com/topics/american-civil-war/american-civil-war-history
https://www.britannica.com/event/American-Civil-War
https://www.battlefields.org
Mass production of printed material. Before the press, each page of a Bible, for example, could take all day to write. After the press it would take a few days to carve the stamp, but then you could print 50 copies of the page in a very short time.
Hypnos' brother is Thanatos, he has many other siblings though.