וַיִּצָּֽעֲקוּ֙ בְּנֵ֣י עַמּ֔וֹן וַֽיַּחֲנ֖וּ בַּגִּלְעָ֑ד וַיֵּאָֽסְפוּ֙ בְּנֵ֣י יִשְׂרָאֵ֔ל וַֽיַּחֲנ֖וּ בַּמִּצְפָּֽה׃
Then the children of Ammon were gathered together, and encamped in Gilead. And the children of Israel assembled themselves together, and encamped in Mizpah.
Read midrashic interpretation of Judges 10:17: and classical rabbinic exegesis.