1)
Why does it say "Ki"?
1.
Malbim: This was clearly Hashgachas Hashem, for a small number of troops of Aram defeated a great army of Yehudah - "Ki Tzuram Mecharam" (Devarim 32:31).
2)
What are "Shefatim"?
1.
Malbim: They are harsh afflictions. This was his punishment for making himself idolatry.
