Experts cite this ad as one of the most effective political campaign commercials in history What is its central message and why is it so effective?

the answer is academic paper

and the second should be college professor

you shopuld find your answers here if you need more. the answer is the infinite variety of human nature

by our hard work

for that

the figurative meanings of these lines are questioning the tyger's strength and beauty. the meaning contributes to the overall message of them poem because it is explaining how strong the tyger is.

now just elaborate off of that. : )