1)
Who helped them?
1.
'Rashi': Hashem helped them.
2.
Malbim: Yarav'am helped them. He won this war - "Hu Heshiv Es Damesek v'Es Chamas li'Yhudah." The Hagri'im were handed over to them, because they cried to Hashem and trusted in Him.
2)
Who are "Kol she'Imahem"?
1.
'Rashi', Radak: Other nations that were helping them.
3)
What is the meaning of "v'Nator Lahem"?
1.
'Rashi': This is like "va'Ye'aser Lo Hashem." Radak - this is Pa'ul conjugation, like "v'Nachtom b'Taba'as ha'Melech."
