Which of the following is an output from Control Scope?

During project execution, an operator identifies a requirement that was not addressed in the project management plan. The team is conflicted about whether or not this requirement should be added as a change request.
What should the project manager have done to avoid this situation?

While reviewing signed project documentation, the project manager notices that only successes were included.
The project manager discovers that learn members were reluctant to sign documents that indicated errors.
What should the project manager do next?

A project manager is working as a servant leader for a pilot project to adopt agile practices. After three sprints, the team demos the product to the main stakeholders, but receives negative feedback about the product's features. The team feels that all the features met the acceptance criteria defined by the product owner and does not understand what went wrong.
How should the project manager mitigate the product rejection?

A company Is helping their client launch an Innovative product. During the sprint review, the product owner identifies that the product does not include key features that were previously prioritized as part of the product backlog.
What should the project manager do next?