Judges 5:8

New gods were chosen;
Then war was in the gates.
Not a shield or a spear was seen
Among forty thousand in Israel.

Deuteronomy 32:16-17

They made Him jealous with strange gods;
With abominations they provoked Him to anger.

Judges 2:12

and they forsook the Lord, the God of their fathers, who had brought them out of the land of Egypt, and followed other gods from among the gods of the peoples who were around them, and bowed themselves down to them; thus they provoked the Lord to anger.

Judges 2:17

Yet they did not listen to their judges, for they played the harlot after other gods and bowed themselves down to them. They turned aside quickly from the way in which their fathers had walked in obeying the commandments of the Lord; they did not do as their fathers.

Judges 4:3

The sons of Israel cried to the Lord; for he had nine hundred iron chariots, and he oppressed the sons of Israel severely for twenty years.

1 Samuel 13:19-22

Now no blacksmith could be found in all the land of Israel, for the Philistines said, “Otherwise the Hebrews will make swords or spears.”

Treasury of Scripture Knowledge

Summary

They chose new gods; then was war in the gates: was there a shield or spear seen among forty thousand in Israel?

Bible References

New gods

Judges 2:12
and they forsook the Lord, the God of their fathers, who had brought them out of the land of Egypt, and followed other gods from among the gods of the peoples who were around them, and bowed themselves down to them; thus they provoked the Lord to anger.
Deuteronomy 32:16
They made Him jealous with strange gods;
With abominations they provoked Him to anger.

Was there

Judges 4:3
The sons of Israel cried to the Lord; for he had nine hundred iron chariots, and he oppressed the sons of Israel severely for twenty years.
1 Samuel 13:19
Now no blacksmith could be found in all the land of Israel, for the Philistines said, “Otherwise the Hebrews will make swords or spears.”