1 sn The judgment on Israel is that they turn back to the desert and not attack the tribes in the land. So a parenthetical clause is inserted to state who was living there. They would surely block the entrance to the land from the south – unless God removed them. And he is not going to do that for Israel.
2 tn Heb “and why….” The conjunction seems to be recording another thing that the people said in their complaint against Moses.
3 tn The clause uses the infinitive construct with the lamed (ל) preposition. The clause would be a result clause in this sentence: “Why have you brought us here…with the result that we will all die?”