On the succession of Solomon's son, Rehoboam, in c. 930 BCE the biblical account reports that the country split into two kingdoms; the Kingdom of Israel (including the cities of Shechem and Samaria) in the north and the Kingdom of Judah (containing Jerusalem) in the south.
Anarchy means there are absolutely no laws and you can go around and do whatever you want. This means that murder and robbery is bound to happen and there would be no safety.