What are some of the sources for social change and what are some of the reasons for resistance to change?

it is going to be account a

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.

where is the rest of the question. this isn't making sense. can you upload a picture of the question?