What was the goal of the roman legal system

The goal of the Roman legal system was mostly to establish a legal code which was standardizde for every citizen and which would have to be upheld by every citizen of Rome. Because this empire grew so large, they needed a set of common rules which everyone had to abide by because otherwise chaos would ensue over time. 

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.

Not true it depends on the person