Revelation 17:1-5

And there came one of the seven angels that had the seven cups, and talked with me, saying: Come, I will show you the judgment of the great harlot that sits on many waters,

Revelation 18:2-3

And he cried with a strong voice, saying: Babylon the great has fallen, has fallen, and has become the habitation of demons, and the haunt of every unclean spirit, and the resort of every unclean and hateful bird.

Revelation 18:9

And the kings of the earth, who have practiced lewdness and lived voluptuously with her, shall weep and lament for her, when they see the smoke of her burning,

Revelation 18:23

and the light of a lamp shall shine no more in you: and the voice of the bridegroom and of the bride shall be heard no more in you: for your merchants were the great men of the earth: for by your sorcery were all nations deceived.

Treasury of Scripture Knowledge

Summary

Because of the multitude of the whoredoms of the wellfavoured harlot, the mistress of witchcrafts, that selleth nations through her whoredoms, and families through her witchcrafts.

Bible References

The mistress

Revelation 17:1
And there came one of the seven angels that had the seven cups, and talked with me, saying: Come, I will show you the judgment of the great harlot that sits on many waters,
Revelation 18:2
And he cried with a strong voice, saying: Babylon the great has fallen, has fallen, and has become the habitation of demons, and the haunt of every unclean spirit, and the resort of every unclean and hateful bird.