Locate the empire that was Rome’s main rival for control of the Mediterranean Sea.

it is a better alternative

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.

well 1 they have there leader that controls them