sino ang paring naglunsad ng isang kilusan upang ipagtanggol ang kanilang karapatang mahalaga at makapagtrabaho sa isang parokya

Ithink it would be choice b (county). hope this you!

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.