They are pressured by the environment. Teams who operate on a reflective level get to a point of understanding and probably are in the best position to be proactive. They pressure the environment. Another important key to reflective thinking is identity. The identity enables differentiation of what is desirable and what is not in terms of team performance and decisions.
Identity then acts as a playing field or as what many call a moral compass.
This is rough thinking. The postings have been very intriguing. My thought on trust is that, first of all, since we are talking about teams in organizations, then the team does not exist apart from the work. So, any dynamic of the team also cannot exist apart from the work. If the group has trust issues, that will show up as they approach the exercise.