Constituting an historical nationality, with an inner life of its own, the Jews were segregated by the Government as a separate estate, an independent social body. ... They formed an entirely independent class of citizens, and as such were in need of independent agencies of self-government and jurisdiction. The Jewish community constituted not only a national and cultural, but also a civil, entity. It formed a Jewish city within a Christian city, with its separate forms of life, its own religious, administrative, judicial, and charitable institutions. The Government of a country with sharply divided estates could not but legalize the autonomy of the Jewish Kahal." The Jews also did not speak Polish, but rather Yiddish, an Hebraicized German. "The sphere of the Kahal's activity was very large." "The capstone of this Kahal organization were the so-called "Waads", the conferences or assemblies of rabbis and Kahal leaders. became the highest court of appeal." Their activity "passed, by gradual expansion, from the judicial sphere into that of administration and legislation.