sentences:  The Lithuanian forces stopped after a request from the League of Nations, and a truce was finally signed on November 29.It was at this time that the close ally of Piłsudski, Michał Pius Römer, a leader of the Krajowcy movement, broke with Pilsudski and made the decision to side with the re-established Lithuanian Republic, even though Piłsudski offered to appoint him Prime Minister of the Republic of Central Lithuania.Żeligowski became the new state's "de facto" military dictator, but after elections he relinquished his powers to the newly elected parliament.