Sociocultural theory, developed by , stresses a child's active involvement with his or her environment.

The answer is society was a caste like system with poor whites at the bottom of the white social ladder.

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.