עטרות ודיבון, each one offers good grazing land.

?האחיכם יבאו למלחמה; Did you really think that your brethren are going to war in order to make conquests

?ואתם תשבו פה, while you are settled here on land that we have already conquered? Surely you did not think for a moment that you could get away with such an arrangement! Your suggestion therefore can only have the effect of undermining the morale of your brethren!

?ולמה תניאון, what is the point in your undermining the resolution and morale of your brethren? You are repeating what the spies in the last generation did!

עד אשר אם הביאונום “as long as we have not brought them, etc.” The construction is similar to Proverbs 8,26 עד לא עשה ארץ וחוצות, “while G’d had not yet made earth nor its attributes.” We also find something similar in Genesis 24,19 עד אם כלו, “until they have finished.”

'הנה חטאתם לה, by your failure to live up to your undertaking it will become clear that you had sinful intent from the beginning.. הנה חטאתם לה', by your failure to live up to your undertaking it will become clear that you had sinful intent from the beginning.

עבדיך יעשו, the part of the condition which involves our being the vanguard we will most certainly fulfill.

ויצו להם, Moses now commanded not to give to these two tribes the lands of Sichon and Og until they would return from conquest of the lands on the west bank of the river Jordan. This is the meaning of verse 22. The two tribes did not accept this arrangement and said נחנו נעבור חלוצים (verse 32) on condition that אתנו אחזת נחלתנו, that simultaneously we will be in possession of our ancestral inheritance. As soon as we shall cross the river Jordan these lands will be legally ours!

ויתן להם משה, only because he did not want to get involved in a serious quarrel with these two tribes.