For 10 points, name this central European country containing such cities as Krakow and Warsaw.
In this country, the principle of Liberum Veto allowed any representative to end a session of the Sejm. John III of this country brought miraculous reinforcements to relieve the Second Siege of Vienna. This country united with Lithuania in the Union of Lublin. In the late eighteenth century, Prussia, Russia, and Austria agreed to (*) carve territory out of this country, resulting in the three partitions of this country. For 10 points, name this central European country containing such cities as Krakow and Warsaw.
In this country, the principle of Liberum Veto allowed any representative to end a session of the Sejm.
Republic of {Poland} [or {Rzeczpospolita Polska}]