Constant warfare was common between the Jews and neighboring tribes, and the kingdom was ultimately split into two: the Kingdom of Judah and the Kingdom of Israel. Around 750 BC, the Kingdom of Israel was annihilated by the Assyrians, but an attempt at gaining control of Judah failed.
Godly fear is a foundational truth of the church that is part of the apostles doctrine. Acts 2 v 42 says, And they continued steadfastly in the apostles doctrine and fellowship, in breaking of bread and in prayers. 43, And fear came upon every soul: and many wonders and signs were done by the apostles..
The writer of Hebrews says, So terrible was the sight, that Moses said, 'I am full of fear and trembling'  (Hebrews 12:21). A healthy fear of God will hold us in awe and do much to deter us from sin. When we have a proper fear of the living Lord, we live a cleaner life. Any born-again person who sins willfully has momentarily blocked out any fear of God. You and I can do that.