1)
Which aspect of the dream signified the fact that the entire plenty would be forgotten?
1.
Rashi (4): The lean cows swallowed the fat ones.
2.
Rashbam and Ramban (4): It was not known that the fat cows came inside the lean ones.
2)
Why does it say "v'Nishkach Kol ha'Sova" and "v'Chilah ha'Ra'av"?
1.
Malbim: The hunger will consume the [entire] land, but the satiation will be forgotten from Egypt (i.e. the satiation was only in Egypt).
2.
Ha'Emek Davar: The satiation will be forgotten
