1)
What are the implications of does the Torah insert the word "Atah, Kumu Ve?ivru lachem ? "?
1.
Seforno: It implies that, since they were forbidden to enter the land of Edom and Mo'av, they should cross the brook of Zared, which is outside their borders, and from there they will be able to reach the River Yarden and to cross into Eretz Cana'an'.
