From the second half of 1921 and into 1922, the ZLN opposed the Chief of State as well as the centrist political parties. Before the elections in 1922, the rightist Christian National Union (Chrześcijański Związek Jedności Narodowej) included the Popular-National Union, the National Workers Party (Narodowe Stronnictwo Robotnicze), the Polish Christian-Democratic Party (Polskie Stronnictwo Chrześcijańskiej Demokracji) and the National Christian Peasant Party (Narodowo-Chrześcijańskie Stronnictwo Ludowe). It won 98 seats (22%) in the Sejm (Polish Parliament) and 29 seats (26%) in the Senate.