Revelation 17:1-5

And there came one of the seven angels, that had the seven vials, and talked with me and said, Come hither, and I will shew thee the judgement of the great harlot, that sitteth upon many waters:

Revelation 18:2-3

And he cried with vehemence, and with a loud voice, saying, Babylon the great is fallen, is fallen, and is become the habitation of demons, a den of impure spirits, and a cage for every unclean and hateful bird.

Revelation 18:9

And the kings of the earth, who have committed lewdness and lived luxuriously with her, shall bemoan her and lament for her, when they see the smoke of her burning;

Revelation 18:23

And the light of a candle shall be seen in thee no more; and the voice of the bridegroom and bride shall be heard no more in thee: for thy merchants were the great men of the earth, and by thy sorceries 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 vials, and talked with me and said, Come hither, and I will shew thee the judgement of the great harlot, that sitteth upon many waters:
Revelation 18:2
And he cried with vehemence, and with a loud voice, saying, Babylon the great is fallen, is fallen, and is become the habitation of demons, a den of impure spirits, and a cage for every unclean and hateful bird.