So are you asking us to actually pick a book for you? Cause if so The Secret Life of Walter Mitty and The Story of an Hour is good!
In sentence 3. It should be
Discouraged by this, Loraine walked four blocks to a coffee shop.
Answer: The military has to work as hard as or harder than the terrorists.
Explanation:
basically the sentence says that terrorists are working hard to go against freedom so the military has to work as hard or maybe even harder to stop them.
Protagonist. A protagonist is the leading character of a story, therefore that’s your answer.
It is a metaphor because it is comparing one thing to another.