Answer:
c.It emphasizes the idea that all people should work together.
Explanation:
"LET BOTH SIDES" is not talking about one side he want to address both sides.They both need to work together and be on the same side(for not against) It will be a weak source of power if the always bickering.
hope this helps :)
Metaphor or possibly personification
D:<span> The best solution to the problem is to require parking permits.</span>
