New PMP Question & Answers with explanation

A team for an international project is composed of individuals from different backgrounds, ages, and interests. As soon as the project starts, it becomes clear that they are struggling to work together. How can the project manager facilitate better teamwork?
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A project manager identifies scheduling priority conflicts among local and virtual team members. The project manager schedules a conference call to manage this conflict. What conflict resolution technique did the project manager use?
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A team lead is concerned that two project teams are working on parts of the project that are highly dependent on each other. The team lead believes that this might create conflicts when the two teams' outputs are combined. What should the project manager instruct the team lead to do?
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A conflict between a member of the contractor's team and a member of the project team cannot be resolved. The matter is escalated to the project manager. What should the project manager do first?
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