1 Kings 9:9

Then they will say, 'Because they abandoned the LORD their God who brought their fathers out of the land of Egypt and laid hold on other gods and worshiped them and served them. Therefore the LORD has brought all this disaster on them.'"

Deuteronomy 29:25-28

Then people will say, 'It is because they abandoned the covenant of the LORD, the God of their fathers, which he made with them when he brought them out of the land of Egypt,

Jeremiah 2:10-13

For cross to the coasts of Cyprus and see, or send to Kedar and examine with care; see if there has been such a thing.

2 Chronicles 7:22

Then they will say, 'Because they abandoned the LORD, the God of their fathers who brought them out of the land of Egypt and laid hold on other gods and worshiped them and served them. Therefore he has brought all this disaster on them.'"

Jeremiah 2:19

Your evil will chastise you, and your apostasy will reprove you. Know and see that it is evil and bitter for you to forsake the LORD your God; the fear of me is not in you, declares the Lord GOD of hosts.

Jeremiah 5:19

And when your people say, 'Why has the LORD our God done all these things to us?' you shall say to them, 'As you have forsaken me and served foreign gods in your land, so you shall serve foreigners in a land that is not yours.'"

Jeremiah 12:7-8

"I have forsaken my house; I have abandoned my heritage; I have given the beloved of my soul into the hands of her enemies.

Jeremiah 16:10-13

"And when you tell this people all these words, and they say to you, 'Why has the LORD pronounced all this great evil against us? What is our iniquity? What is the sin that we have committed against the LORD our God?'

Jeremiah 50:7

All who found them have devoured them, and their enemies have said, 'We are not guilty, for they have sinned against the LORD, their habitation of righteousness, the LORD, the hope of their fathers.'

Lamentations 2:16-17

All your enemies rail against you; they hiss, they gnash their teeth, they cry: "We have swallowed her! Ah, this is the day we longed for; now we have it; we see it!"

Lamentations 4:13-15

This was for the sins of her prophets and the iniquities of her priests, who shed in the midst of her the blood of the righteous.

Ezekiel 36:17-20

"Son of man, when the house of Israel lived in their own land, they defiled it by their ways and their deeds. Their ways before me were like the uncleanness of a woman in her menstrual impurity.

Zephaniah 1:4-5

"I will stretch out my hand against Judah and against all the inhabitants of Jerusalem; and I will cut off from this place the remnant of Baal and the name of the idolatrous priests along with the priests,

Treasury of Scripture Knowledge

Summary

And they shall answer, Because they forsook the LORD their God, who brought forth their fathers out of the land of Egypt, and have taken hold upon other gods, and have worshipped them, and served them: therefore hath the LORD brought upon them all this evil.

Bible References

Because

Deuteronomy 29:25
Then people will say, 'It is because they abandoned the covenant of the LORD, the God of their fathers, which he made with them when he brought them out of the land of Egypt,
2 Chronicles 7:22
Then they will say, 'Because they abandoned the LORD, the God of their fathers who brought them out of the land of Egypt and laid hold on other gods and worshiped them and served them. Therefore he has brought all this disaster on them.'"
Jeremiah 2:10
For cross to the coasts of Cyprus and see, or send to Kedar and examine with care; see if there has been such a thing.
Jeremiah 5:19
And when your people say, 'Why has the LORD our God done all these things to us?' you shall say to them, 'As you have forsaken me and served foreign gods in your land, so you shall serve foreigners in a land that is not yours.'"
Jeremiah 16:10
"And when you tell this people all these words, and they say to you, 'Why has the LORD pronounced all this great evil against us? What is our iniquity? What is the sin that we have committed against the LORD our God?'
Jeremiah 50:7
All who found them have devoured them, and their enemies have said, 'We are not guilty, for they have sinned against the LORD, their habitation of righteousness, the LORD, the hope of their fathers.'
Lamentations 2:16
All your enemies rail against you; they hiss, they gnash their teeth, they cry: "We have swallowed her! Ah, this is the day we longed for; now we have it; we see it!"
Lamentations 4:13
This was for the sins of her prophets and the iniquities of her priests, who shed in the midst of her the blood of the righteous.
Ezekiel 36:17
"Son of man, when the house of Israel lived in their own land, they defiled it by their ways and their deeds. Their ways before me were like the uncleanness of a woman in her menstrual impurity.
Zephaniah 1:4
"I will stretch out my hand against Judah and against all the inhabitants of Jerusalem; and I will cut off from this place the remnant of Baal and the name of the idolatrous priests along with the priests,

General references

Deuteronomy 28:59
then the LORD will bring on you and your offspring extraordinary afflictions, afflictions severe and lasting, and sicknesses grievous and lasting.
Deuteronomy 29:24
all the nations will say, 'Why has the LORD done thus to this land? What caused the heat of this great anger?'
Jeremiah 22:8
"'And many nations will pass by this city, and every man will say to his neighbor, "Why has the LORD dealt thus with this great city?"
Lamentations 4:12
The kings of the earth did not believe, nor any of the inhabitants of the world, that foe or enemy could enter the gates of Jerusalem.

The Holy Bible, English Standard Version® copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.