Deals with fears that are still relevant
1 is wrong, 4 is wrong.
The answer could be either 2 or 3, but it is most likely 2, as the call to action generally takes place at the very end of an essay if it's written correctly.
If the question is how are they related, it is a total comparison.
Unclear question. However, here's more information on Carl Spitz.
Explanation:
Often called a legendary dog trainer, Carl Spitz was a renowned specialist in dog training, he founded the first America World War II War-Dog Program in which he trained dogs for the military and he later worked in Hollywood where he gained popularity after creating his owned Hollywood Dog Training School.
In this sentence the word <em>sage</em> means wise or sensible, a piece of advice given by someone who knows about the subject.