Final answer:
The best leadership responsibility of a project manager is to maintain the tactical vision, involving flexibility, proactivity, and a resourceful approach to problem-solving. The answer to this question is option 2.
Step-by-step explanation:
The question surrounds the leadership responsibilities of a project manager. Among the options given, the one that BEST represents a leadership responsibility for the project manager is to Maintain the tactical vision. This involves remaining flexible in the face of changing priorities and assignments, proactively contributing to the organization's mission, responding professionally to feedback, owning up to mistakes, and seeking out ways to improve and contribute to team success.
Leadership in project management also entails leading by example to foster a positive work culture, taking initiative, and being accountable for specific processes and outcomes. A project manager should work to minimize the need for supervision by keeping the team and stakeholders updated, and by being resourceful in problem-solving before escalating issues. Managing a team also includes respecting and collaborating with team members, understanding the manager's work style, and being committed to providing excellent customer service, all while demonstrating a positive attitude and enthusiasm.