 Complete the following phrase:  Józef Dowbor-Muśnicki remained the commander of the so-called Greater Poland Front until the outbreak of the Polish-Bolshevik War, after which he resigned his post and applied to Józef Piłsudski for a new assignment. After General Stanisław Szeptycki declined to take the post of the commanding officer of the Ukrainian Front from General Wacław Iwaszkiewicz, the post was offered to Dowbor-Muśnicki, who refused. Having no further assignments, in March 1920 he resigned all his posts in the army and settled in Lusowo and then in Batorowo near Poznań. Opposing Piłsudskis 