1)
Our verse begins with "Ki". What is the connection to the previous verse?
1.
Malbim: Since Aviyam sinned, he should have died in his war with Yaravam mentioned in Divrei ha'Yamim II, 13. He defeated Yaravam via a miracle. It was not in his own merit, rather, in the merit of David his father and in the merit of Yerushalayim.
2)
What is "Nir"?
1.
Refer to 11:16:1:1-3.