Given the fury in Israel over the growing call at the United Nations this week for recognition of a Palestinian state next to the Jewish one, it’s worth recalling that a two-state solution was a Jewish nationalist dream—and an Arab nightmare—for generations. Starting in the late 19th century, the movement that became known as Zionism lobbied for a homeland within Palestine. Antisemitism was rampant in Europe and the Muslim world, and the answer was to grant Jews a state in the territory where their history began.