Answer:
The correct answer is letter "A": bridge.
Step-by-step explanation:
Leadership has different functions within companies and teams. It is a bridge to the extent that leaders act as mediators between parties that do not come to a settlement or that have trouble dealing with each other because of a wide range of reasons such as cultural features. Leaders try to understand each party's position and offer a solution that benefits both individuals so they can work towards a common goal.
Thus, thanks to his experience with diverse cultures abroad, Glenn is likely to act as a bridge after he comes back to the U.S.