When doing something like this, some find it useful to annotate the text by putting in notes and explanations of what is being said.
(Like pastors at a church when giving the message, or a comedian needing to remember some little things)
It basically just helps the reader not forget side notes or little things that can make the others either more entertained or more helpful.
Answer:
to inform readers about the history of Rome and Sparta and how they built their empires
Answer:
the higher you set your points to e.g. 60 the person gets 30 and you pay 60
To back up your claims and prove that it is correct information
