I read this a few years ago! In Massachusetts, no GIRL could swim. Katherine is from Barbados, a tropical place, so she could swim well. After she jumped in to save a doll, she swam and got it out. This was normal behavior in Barbados, and not Massachusetts. Furthermore, her talking to Hannah does not prove she is a witch. She wants to help her.
I believe it is because they need to have one format so they don't get confused!
I’m pretty sure this is true.
B, "If I could, I'd travel to Honolulu, Hawaii; Key West, Florida; and Stockholm, Sweden."
Semicolons are not to be used that way.
In writing or speech, the deliberate repetition of the first part of the sentence in order to achieve an artistic effect is known as Anaphora. Anaphora, possibly the oldest literary device, has its roots in Biblical Psalms used to emphasize certain words or phrases.