Poland's successive kings granted privileges to the nobility at the time of their election to the throne (the privileges being specified in the king-elect's Pacta conventa) and at other times in exchange for ad hoc permission to raise an extraordinary tax or a pospolite ruszenie.
তিনি যখন সিংহাসনে বসেন, তখন বিনিময়ে কী ছিল?
ad hoc permission to raise an extraordinary tax