1)
Why does it say "va'Yeshev b'Ninveh"?
1.
Rashi: This was the capitol of Ashur 1 .
2.
Radak: He did not go out to war again.
1
Rashi (Yeshayah 37:37): "Min ha'Aretz ha'Hi Yatza Ashur va'Yiven Es Ninveh" (Bereishis 10:11).