1)
What does he request for the sake of Beis Elokeinu?
1.
Radak: Yerushalayim should have good, for the sake of Beis Hashem.
2.
Malbim: It is for the spiritual good and happiness from the Kedushah, Nevu'ah and Shechinah. This depends on the good that he does in Mitzvos and good deeds. The good of Yerushalayim for the nation is obvious. The good of Beis Elokeinu is hidden; one must seek it. One understands Divine matters only after seeking them.
