Reread paragraph 2 of the letter. Which word BEST describes the first sentence of the paragraph? A. argument
B. exaggeration
C. evidence
D. claim

You ser would be coreti

Isay b but i'm not sure. 

An informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.