As a result of the circumstances described in this document,

it is showed the importance of this situation.

Explanation:

answer; (b) binge eating disorder;

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.