sentences:  For a brief period when Kraków was an independent city-state (Republic of Kraków), Kielce became the capital of the Kraków Voivodeship.Thanks to the efforts by Stanisław Staszic Kielce became the centre of the newly established Old-Polish Industrial Zone ("Staropolski Okręg Przemysłowy").The town grew quickly as new mines, quarries and factories were constructed.