They worshiped their idols, which became a snare to them.
Cross References
Exodus 23:33They must not remain in your land, lest they cause you to sin against Me. For if you serve their gods, it will surely be a snare to you."
Deuteronomy 7:16You must destroy all the peoples the LORD your God will deliver to you. Do not look on them with pity. Do not worship their gods, for that will be a snare to you.
Judges 2:12Thus they forsook the LORD, the God of their fathers, who had brought them out of the land of Egypt, and they followed after various gods of the peoples around them. They bowed down to them and provoked the LORD to anger,
Psalm 97:7All worshipers of images are put to shame--those who boast in idols. Worship Him, all you gods!
Treasury of Scripture
And they served their idols: which were a snare to them.
and
Psalm 78:58
For they provoked him to anger with their high places, and moved him to jealousy with their graven images.
Exodus 34:15,16
Lest thou make a covenant with the inhabitants of the land, and they go a whoring after their gods, and do sacrifice unto their gods, and one call thee, and thou eat of his sacrifice; …
Judges 2:12,13,17,19
And they forsook the LORD God of their fathers, which brought them out of the land of Egypt, and followed other gods, of the gods of the people that were round about them, and bowed themselves unto them, and provoked the LORD to anger…
which
Exodus 23:33
They shall not dwell in thy land, lest they make thee sin against me: for if thou serve their gods, it will surely be a snare unto thee.
Deuteronomy 7:16
And thou shalt consume all the people which the LORD thy God shall deliver thee; thine eye shall have no pity upon them: neither shalt thou serve their gods; for that will be a snare unto thee.
Joshua 23:13
Know for a certainty that the LORD your God will no more drive out any of these nations from before you; but they shall be snares and traps unto you, and scourges in your sides, and thorns in your eyes, until ye perish from off this good land which the LORD your God hath given you.