I read this recently but had different questions...b.)
B.) The Manuscript for His New Book
Answer:
By sharing a hypothetical story as an example of the subject.
Explanation:
In these lines, we see that the author is sharing a hypothetical scenario where a girl named Alice is having a party. This girl delivers her invitations in two different ways: ordinarily and digitally. The outcome in both cases is quite different. The author uses this examples in order to show how the two types of mail can differ significantly.
Affect is to influence something
and
effect for the something that was influenced
affect is something caused like cause and effect but effect is a cause of something