1)
Above (12, 13) they said "Yedi'a Lehevei l'Malka." Why does it say here "Mehode'in Anachnah l'Malka"?
1.
Malbim: Before they said what the king knows by himself - if the city is built, he will lose taxes, for their way is to rebel and cast off the yoke of kingdoms/ Now we inform something that the king does not know by himself.
2)
What will be if Yerushalayim is built?
1.
Rashi: You will have no portion in Ever ha'Nahar, for Yisrael will rebel against you and take it all from you.
2.
Ibn Ezra: They will make the mentioned nations rebel against you, and you will have no portion in Ever ha'Nahar.
3.
Malbim: If this city casts off the yoke, all Bnei Ever ha'Nahar will do like them.
