"white slavery" meaning in English

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  "lang_code": "en",
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          "name": "Slavery",
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          "text": "18 February 1990 \"The Adventure of the Cheap Flat\" season 2 episode 7 of Agatha Christie's Poirot: Hastings speaking to Poirot\nMaybe they're not as innocent as thet seem. Suppose they're tied up in some shady import-export business? Drugs, white slavery?"
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        "Sexual slavery, particularly the forced prostitution of women of European ancestry."
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          "slavery",
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          "prostitution",
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      "translations": [
        {
          "code": "he",
          "lang": "Hebrew",
          "sense": "white slavery",
          "word": "סחר בנשים וילדים"
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        {
          "code": "he",
          "lang": "Hebrew",
          "sense": "white slavery",
          "word": "עבדות לבנה"
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  "word": "white slavery"
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  "lang_code": "en",
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          "text": "18 February 1990 \"The Adventure of the Cheap Flat\" season 2 episode 7 of Agatha Christie's Poirot: Hastings speaking to Poirot\nMaybe they're not as innocent as thet seem. Suppose they're tied up in some shady import-export business? Drugs, white slavery?"
        }
      ],
      "glosses": [
        "Sexual slavery, particularly the forced prostitution of women of European ancestry."
      ],
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        [
          "slavery",
          "slavery"
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          "prostitution",
          "prostitution"
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      "code": "he",
      "lang": "Hebrew",
      "sense": "white slavery",
      "word": "סחר בנשים וילדים"
    },
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      "code": "he",
      "lang": "Hebrew",
      "sense": "white slavery",
      "word": "עבדות לבנה"
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