Hans j. eysenck in the 1960s argued that crime was related to

can you explain it better

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.

answer; provide for the common defense:

answer; oxygen to the brain;