Which of the following nations has the most political divisions within it?
united states
dominican republic
mexico
canada

United States has the most political divisions out of these choices.

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.