1)
What strengthened Malchus Yehudah?
1.
Malbim: Since many from Yisrael who sought Hashem came to Yerushalayim, it became a populous kingdom.
2)
What is the meaning of "va'Y'amtzu Es Rechav'am"?
1.
Malbim: [The Yisraelim who came to Yehudah] gave to him Imutz ha'Lev (courage) against Yaravam. Yaravam's plot to strengthen his kingship via the calves that he made and deposing the Kohanim from their position, this caused Malchus Yehudah to become stronger!
3)
Why was Malchus Yehudah strengthened only for three years?
1.
Malbim: For three years, they went in the ways of David. After this, also they sinned, and Malchus Yehudah weakened.
