Exam PMP topic 1 question 314 discussion

Team charter includes but is not limited to:  Team values,  Communication guidelines,  Decision‐making criteria and process,  Conflict resolution process,  Meeting guidelines, and  Team agreements

A. Establish a team charter

A. Establish a team charter

The project manager should facilitate a discussion with the team to identify the root cause of the disagreement and work with the team to find a solution that works for everyone. This is consistent with the agile principle of self-organizing teams. Some potential solutions could include rotating meeting times, allowing team members to attend the meeting remotely, or finding an alternate communication method for team members who cannot attend the daily meetings. Establishing a team charter could be a helpful step in facilitating this discussion and ensuring that the team is aligned on their goals and values

PMBOK 6 Pg. 49: Agile teams require team norms and an understanding of how to work together. In that case, the team might need a team charter.

I really don't understand A answers is right, since there nowhere discuss about Project initial phase. Please anyone help me to understand this scenario