Due to a recent company merger, a project manager from company B has been assigned to a team that is comprised of team members from company A.
At the start of the project, conflicts arise due to a lack of clarity on processes and the project manager's relationship with company B.
What should the project manager do to resolve this conflict?

A project manager recently finished a project and started managing a new project with a different supervisor.
As part of the early project activities, the supervisor from the
original project is assigned to the team as a nonsupervisory resource and immediately begins challenging all decisions made by the current supervisor.
What should the project manager do to resolve this conflict?

One team member Is complaining about an agreement made during the last meeting. That team member was present at the meeting ana participated in the decisions registered in the meeting minutes.
What should the project manager do next?

A software development provider reports an issue that is blocking the other remaining deliverables What should the project manager do?

A project manager is leading an automation project. The project team is colocated and includes people from both the technical and business units. The project manager discovers that personal differences and work styles are affecting the project negatively.
How should the project manager address this?