In the years between the two world wars, the Jewish community of Poland--the largest in Europe--was the cultural heart of the Jewish diaspora. The Jewish Workers' Bund, which had a socialist, secularist, Yiddishist, and anti-Zionist orientation, won a series of important electoral battles in Poland on the eve of the Second World War and became a major political party. Many earlier works on the politics of Polish Jewry have suggested that Bundist victories...