The Black Procession by burghers in this polity helped push urban reforms through a “great” parliament. This polity’s quasi-constitutional Cardinal Laws which empowered nobles but inhibited reform were passed with the help of ambassador Nicholas Repnin. This polity’s nobility (-5[1])held that they were descended from ancient Iranian invaders in the philosophy of “Sarmatism.” This polity’s (*) Henrician articles (10[1])come from the rule of its first elected king, Henry of Valois. Under this polity’s system of Liberum Veto, any (10[1])one noble could prevent the passage (10[1])of legislation. This country’s May 3 Constitution was adopted by its “Great Sejm” (“saym”) in 1791. (10[2])For 10 points, name this eastern European polity formed by the union of Lublin, which was subsequently partitioned three times. ■END■