1)
What are the implications of "ve'Lo Avah Sichon ... Ha'avireinu bo"?
1.
Oznayim la'Torah: Sichon may well have agreed to allow Yisrael to pass by his borders - like the kings of Edom and Mo'av did - only now Yisrael had set their sights on the Yarden, to which end they needed to pss through Sichon's land, and that, Sichon was not willing to allow.
2)
What is the significance of the two statements "Ki Hikshah Hashem ... es Rucho ve'Imetz es Levavo"?
1.
Seforno: "Ki Hikshah Hashem ... es Rucho" - not to allow you to pass through his land; "ve'Imetz es Levavo" - to fight with you.
