Kasztner's supporters argue that the agreement over the train was part of a much larger rescue effort, involving negotiations to save all Hungarian Jews and that he could not have saved Jews by warning them anyway. Löb argues, "with no access to the media and limited opportunities to travel, under constant observation by German and Hungarian secret police, he could hardly have raised the alarm in an effective way" and even if he had, the Jews, "surrounded by enemies, stripped of their rights and possessions, having neither the arms nor the experience", were unable to organise either resistance or mass escapes.