America being the parvenu, most people assume that any variations between the two countries result from American innovation, to the (sometimes mock) horror of Britons.
That was their parvenu blood: to think because a girl's father worked for their grandfather she had no right to be rather striking in style, especially when the striking WAS her style.
Napoleon came from an obscure family, while Bismarck came from a family that had a long history back of it; therefore Napoleon is called the parvenu, while Bismarck is entitled the noble.