As clearly as possible to make your viewpoint known to your audience.
Answer:
The author has a negative view of "nougat."
Explanation: After explaining what nougat is, the author then talks about how candy makers add a number of ingredients that are not healthy. Clearly he or she does not like the use of vegetable fat, and extra amounts of corn syrup and sucrose-thus has a negative view of nougat.
For 1: slant rhyme
for 2: foil
for 3: The Prairie
for 4: Gnomic
That's all I can answer for now, hoped I helped!