The globalization committee was halfway through their first meeting before the team leader realized that his boss had granted him authority that wasn't going to be agreed to by the functional managers of his team

After the meeting, his team members reported back to their units and the team leader's phone began to ring. The source of the conflict he is about to experience is:
A) Differentiation.
B) Uncertainty.
C) Scarce resources.
D) Reward systems.

B