Who makes Go/No-Go decisions during phase gate reviews?

In a program's definition phase, a program manager in country A is assigned to expand a restaurant chain into country
B. The program manager creates the program team by identifying the required project management resources.
Which of the following represents an initial step needed to evaluate available resources that are aligned with the program's needs?

Program A is dependent upon program B to complete benefits sustainment for two benefits. Program A is on track to meet program benefits. However, program B's program manager has just advised that program B has been closed.
What should program A's program manager update and review first with the stakeholders?

When a change enters your program requirements you must update all of the following documents except for which one?

A component project of a program is completed, and will provide the intended incremental benefits. How should the program manager proceed with the component transition?