1)
Why does it say "Dirshuni vi'Chyu"?
1.
Rashi: Ascend for the festival, to pay (offer) your vows in Yerushalayim.
2.
Radak: Even though there was a decree against you, you will live in your land if you will seek Me.
3.
Malbim: This explains why no one raises her. Do not think that it is because Hashem's desire changed. He always used to raise her, and now He became like an enemy. This is not so! Hashem wanted to revive them! Since nine out of 10 parts of them died, it says that if they will seek Hashem, they will live.