Then God sent an evil spirit between Abimelech and the men of Shechem; and the men of Shechem dealt treacherously with Abimelech: God sent an evil spirit - He permitted jealousies to take place which produced factions; and these factions produced insurrections, civil contentions, and slaughter.
Related Commentaries of Judges 9:23
Judges 9:23
23 Then God sent an evil spirit between Abimelech and the men of Shechem; and the men of Shechem dealt treacherously with Abimelech: