Judges 11:22
And they possessed all the coasts of the Amorites, from Arnon even unto Jabbok, and from the wilderness even unto Jordan. And they possessed all the coasts of the Amorites, from Arnon even unto Jabbok, and from the wilderness even unto Jordan.
Judges 11:22 stands within the record of Jephthah's war against the Ammonites. That conflict came after Israel had suffered eighteen years of oppression. In that crisis Jephthah was raised up as a deliverer, and his campaign effectively destroyed Ammonite power.