This novel is classified as part of the post-apocalyptic
genre. Why? Refer to some of
the clues In the first section
which indicate that a terrible
event has occurred. As you
read, keep track of those
clues - record the descriptions
of the original event, or the
consequences of the event,
each time the man refers to in the narrative.

it's called a epic poem i believe, hope this ☺

either a donut or a sphere or a pancake or a flat sphere. it depends on where the vertical line is.

if the line goes through the center of the circle and is perpendicular to a diameter containing the center, then you get a flat circle.

if the line and the diameter of a the circle meet in the center of the diameter and at an angle, you get a pancake.

if the line is on the circumference of the circle and is at right angles   to the circle you get a ring.

if the line contains the diameter, you get a sphere.

the the line is parallel to the diameter and touches the circumference, you get a donut.

the purpose is to inform because for some reason they really want you to know about it.