The Polish question resurfaced with force during World War I, when the partitioning powers fought one another, leading them to attempts to court their respective Polish citizens.[12][15] In his memorandum of 20 January 1914, Russian Foreign Minister Sazonov proposed the restoration of an autonomous Kingdom of Poland with the Polish language used in schools and local administration, to which eastern Silesia, Western Galicia and eastern Poznan would be attached after the war,[16][17][18] and on 16 August 1914 he persuaded the Tsar that Russia should seek reintegration of a unified Polish state as one of its war aims.[19]