Power, politics and authority
Demonstrate approaches likely to succeed in influencing team members, where you have no positional power over them and they are not responding favorably to your requests, as well as key stakeholders who are resisting changes.
Some areas to explore are power, politics and authority. There are a range of influencing strategies (e.g. assertiveness & consultation) & tactics (e.g. explaining the reasons for requests) that could be covered. Please link the theory to practice (Create a scenario).