Judges 11:21

21 But the LORD God of Israel delivered Sihon and all his people into the hand of Israel, and they smote them; so Israel possessed all the land of the Amorite that inhabited that land.

Judges 11:21 Meaning and Commentary

Judges 11:21

And the Lord God of Israel delivered Sihon and all his people
into the hand of Israel
So that as Sihon, his people, and his country, fell into the hands of Israel through the victory the Lord gave them over him, they had a divine right to the land now in dispute:

and they smote them:
destroyed him and all his people, as they were ordered to destroy the seven nations of Canaan, of which the Amorites were one, ( Deuteronomy 7:1 ) ,

so Israel possessed all the land of the Amorites, the inhabitants of
that country;
by means of the above victory they came into the lawful and rightful possession of all the land that belonged to the Amorites, who were at that time, and none else, the inhabitants of it; and therefore the Ammonites could have no claim to it, nor was any made till now.

Judges 11:21 In-Context

19 And Israel sent messengers unto Sihon, king of the Amorites, the king of Heshbon; and Israel said unto him, Let us pass, we pray thee, through thy land into my place.

20 But Sihon did not trust Israel to pass through his border; but Sihon gathered all his people together and pitched camp in Jahaz and fought against Israel.

21 But the LORD God of Israel delivered Sihon and all his people into the hand of Israel, and they smote them; so Israel possessed all the land of the Amorite that inhabited that land.

22 And they possessed all the border of the Amorites from Arnon even unto Jabbok and from the wilderness even unto the Jordan.

23 So now the LORD God of Israel has expelled the Amorites from before his people Israel and should thou possess it?