Answer:
is this a poem or something
The first quote should be on page 2.
I, sadly, don't know which page the second quote is from.
Answer: groups of 20 people or things.
Explanation: It is similar to this: Four score and seven years ago..." we now translate that to mean 87 years ago, 4 times 20 = 80. Therefore, the answer in this question is groups of 20 people or things.