1. Division of the kingdom which cut off the Northern tribes from temple worship in Jerusalem.
2. The Israelites were attracted to the Canaanite gods whom they could see.
3. The kings supported idol worship.
4. Yahweh's prophets had been killed at command of Jezebel.
5. Many false prophets and prophetesses of Baal were brought in by Jezebel.
6. The altar meant for Yahweh's worship been destroyed
7. The surviving prophets of Yahweh were being persecuted by Jezebel
8. The Israelites intermarried with the neighbouring nations which practised idolatry
9. The Canaanite religion looked superior to Yahweism.
10. The kings and priests had failed to teach the Israelites the covenant way of life
johnmulu answered the question on January 9, 2017 at 13:26