I think this means:
If it's possible for a human being to do something, don't just say that he can't, just let him try, give him a chance.
Answer:
Evaluate a speech in terms of its purpose by thinking about what the audience's expectations are.
Explanation:
Charles Darwin's would be the answer you're looking for.
Chronological order is a sequence of events, while compare and contrast puts two topics together and shows the differences and similarities.
