Answer:
Puffery is something exaggerated.. like for example they complained about school puffery. (I think think what it means... might not be an accurate example)
“[A]sk not what your country can do for you—ask what you can do for your country.”
Jaggers calls Wemmick the most cunning imposter in all of London because <em>Jaggers disagrees with what Pip said</em> that Wemmick is a kind-hearted person. Because the <em>Wemmick that Jaggers knew is different from what Pip described him to be.</em> The Wemmick that Jaggers knew is different. The Wemmick that he knew can often be such a calculating individual in his business dealings. That is why Jaggers jokingly referred to him as the most cunning imposter in all of London.
Hmm.... I looked him up, and they said he was an actor, etc. Nothing really about what you're talking about so I would have to say false