Deuteronomy 2:17

13 “Now arise and cross over the Brook of Zered.” So we crossed over the Brook of Zered.

14 The time we spent traveling from Kadesh-barnea until we crossed over the Brook of Zered was thirty-eight years, until that entire generation of fighting men had perished from the camp, as the LORD had sworn to them.

15 Indeed, the LORD’s hand was against them, to eliminate them from the camp, until they had all perished.

16 Now when all the fighting men among the people had died,

17 the LORD said to me,

18 “Today you are going to cross the border of Moab at Ar.

19 But when you get close to the Ammonites, do not harass them or provoke them, for I will not give you any of the land of the Ammonites. I have given it to the descendants of Lot as their possession.”

20 (That too was regarded as the land of the Rephaim, who used to live there, though the Ammonites called them Zamzummites.

21 They were a people great and many, as tall as the Anakites. But the LORD destroyed them from before the Ammonites, who drove them out and settled in their place,

Read all of Deuteronomy 2