1)
Why did he say "Elokei Yish'enu"?
1.
Malbim: Since [Goyim] know that You always used to save us, [if You do not save us now,] they will say that it is from lack of ability, and the honor of Your name will be profaned.
2)
What is the connection of helping us to honor of His name?
1.
Radak: His name is profaned among the Goyim. After He helps us, it will be honored.
3)
How is atoning for our sins "Lema'an Shemecha"?
1.
Malbim: After Hashem put Midas ha'Rachamim first and agreed to save us, it is proper to atone for the sins, which block the salvation.
