What are the implications of "u'Nesanah lanu"?
Seforno: It implies that Hashem would give them the land without a fight, because they saw how the Cana'anim had no guts to fight and were preparing to flee. 1
What are the implications of "Eretz asher Hi Zavas Chalav u'Devash"? Why did they add the words "asher Hi"?