Project contracts generally fall into which of the following three broad categories?

Overlooking negative stakeholders can result in a/an:

The budget associated with scope changes that have been approved but not planned for yet, is referred to a(n) _____ budget.

Certain resources have been added to tasks on the critical path so as to reduce the project duration. As a result the plan should then be reviewed for the:

A project manager is part of a global project team and is in charge of managing the scope defined by their country. There is a clear division regarding which pieces of the scope should be treated by global and local teams. During the last sprints, the project manager has been receiving requests that the global team should handle.
What should the project manager do in this situation?