Rubuta ci gaba don wannan sakin layi - Kafin Yaƙin Duniya na I, an raba ma'adinan kwal na Poland tsakanin ƙasashe uku. Upper Silesia ya yi aiki da Daular Jamus, Zagłębie Dąbrowskie ya sayar da kwal zuwa Ukraine (wani ɓangare na Daular Rasha), kuma "Kraków Coal Basin" ya kasance wani ɓangare na Austria-Hungary. A shekara ta 1914, an haƙa ton miliyan 40 na kwal a ƙasashen Poland da aka raba. Bayan yaƙin, dutsen kwal na Poland ya rasa kasuwa. Samarwa ya kasance mai girma, har yanzu yana da tan miliyan 40, yayin da buƙata a cikin sabuwar Jamhuriyar Poland ta biyu ta kasance kimanin tan miliyan 18. Amsar kawai ita ce fitar da kwal na Poland, amma a shekara ta 1925, Poland tana fitar da tan miliyan.5 ne kawai a shekara: "Yajin aikin kwal a Ingila
ya zo a 1926, a mafi kyau zai yiwu lokaci domin Poland, amma ba mu da wajen kai mu kwal zuwa Scandinavia, wanda ya kasance babban kasuwar Birtaniya kwal. Gdynia bai riga ya shirya ba, Free City of Danzig ba shi da wata tambaya, kuma ba a kammala Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin L Saboda haka, Dauda ɗan Poland yana fuskantar Goliath ɗan Britaniya" (shafuffuka na 208 - 211).