# slavery

> system under which people are treated as property to be bought and sold, and are forced to work

**Wikidata**: [Q8463](https://www.wikidata.org/wiki/Q8463)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Slavery)  
**Source**: https://4ort.xyz/entity/slavery


## References

1. [Nuovo soggettario](https://thes.bncf.firenze.sbn.it/termine.php?id=23912)
2. Nuovo soggettario
3. Freebase Data Dumps. 2013
4. [Registros de autoridad de "Materia" de la Biblioteca Nacional de España. Spain open data portal](https://www.bne.es/media/datosgob/catalogo-autoridades/materia/materia-UTF8.zip)
5. BBC Things
6. BabelNet
7. UMLS 2023
8. [Source](https://www.zhihu.com/question/38257546)
9. [Source](https://www.so.com/s?ie=UTF-8&q=%E7%8E%B0%E4%BB%A3%E5%A5%B4%E9%9A%B6%E7%BD%AA)
10. ASC Leiden Thesaurus dataset of 5 June 2018
11. National Library of Israel
12. KBpedia
13. GF WordNet