In how many types can the traditional painting style in Nepal be divided and studied? Give a brief introduction of each.​

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.

a is your answer hope this ! : )

answer; protecting domestic national security; i believe this is correct,plz check first,good luck;