1)
Seeing as Yisrael were warned against taking the lands of both Amon and Mo'av, why does the Torah write "Ki Az G'vul B'nei Amon" and 'Ki Az G'vul B'nei Mo'av?
2)
What are the connotations of "ve'Chol Benosehah"?
1.
Rashi: It means 'And all the surrounding villages'.
2.
Seforno: It means 'And all the minor towns of Sichon which were secondary to Cheshbon, which in turn, had always been his capital city, even before he defeated Mo'av.