Official Zionism’s firm, unequivocal stand did not please every one, however. The pro-British Chaim Weizmann had bristled at them and bi-nationalists such as Henrietta Szold and Judah L. Magnes rejected them and broke off to establish their own party, Ichud ("Unification"), that advocated an Arab–Jewish Federation. Opposition to the Biltmore Program also lead to the founding of the anti-Zionist American Council for Judaism.[7]