The practice whereby the president checks with the home state's senators before nominating a judge is known as

answer; /// i do believe that the correct answer is (d) cooperative play; /// good luck

c: in the east might be the correct answer

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.