A(n) leader tries to gain consensus among group members. democratic expressive laissez-faire authoritarian

The answer is democratic leader, they are the ones responsible of gaining consensus among the members of the group and in the same time, the members were able to participate with the activity such as when there is a decision making process.

another answer from our community: let us first explain the meaning of "eternal truth" which is tomean, continuing forever or indefinitely. this being the case itcannot be changed, for truth is truth no matter what changes aremade to the structure of its explanation. however, as for religeons changin… (more)

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.