The Rabbis ' March was a demonstration Social_event in support Supporting of American and allied Collaboration action to stop the destruction of European Jewry .

It was organized Arranging by Hillel Kook , nephew of the chief rabbi of Mandatory Palestine and head of the Bergson Group , and involved Cause_to_be_included more than 400 rabbis , mostly members of the Union of Orthodox Rabbis of the United States and Canada , from New York and cities throughout the Eastern United States .