1)
What is the meaning of "Lo Yuchal"?
1.
Rashi: This is like Lo Yachol (He could not).
2)
Why couldn't Hashem bear their evil deeds?
1.
Malbim: Your measure of sin was filled, and it was too heavy.
3)
What is the significance that the land became desolate?
1.
Malbim: Normally, amidst mercy, Hashem punishes [Yisrael] immediately - "Rak Eschem Yadati mi'Kol ha'Mishpechos ha'Adamah Al Ken Efkod Aleichem Es Kol Avonoseichem" (Amos 3:2). The sin of idolatry is so great, that He waited until their measure of sin was filled, and eradicated them!