Two members of a new project team disagree on the best approach to solve a problem. The conflict has been going on for 1 week. The two members are tense around each other and are taking everything personally.
What should the project manager do?

A project manager is leading a project when a key stakeholder requests additional work that is not in the scope. The stakeholder is also concerned that the project sponsors may not approve and fund the additional change in scope.
What should the project manager do first?

In a daily standup meeting, a project manager notices that a team member's reports include incomplete tasks with no impediments. A colleague informs the project manager that this team member is experiencing a personal issue.
What should the project manager do?

A project manager is assigned to a major construction project. The project is critical to the city's population, and especially to the local government official who committed to delivering the project on time as an election promise. A new project sponsor has been assigned and wants to include aspects that the previous project sponsor did not support.
What should the project manager do next?

A project lead is working on an agile project to build the team's vision, including the decision-making process.
It was decided that the team will
vote on items, and if 90% of the team agrees on a decision, then it will be carried forward. At the very first technical design meeting, the team makes a decision that the project lead strongly disagrees with.
How should the project lead proceed?