Even with Mordecai being the the main leader and leading the resistance that had the most impact, before that there was a young group of Jews that called themselves the Jewish Fighting Organization ( ZOB, Zydowska Organizacja Bojowa). They were present during the first deportations from the Warsaw Ghetto. During this time more than 250,000 Jews were either deported or killed. They had similar goals as Moredcai by trying to have Jews resist deportation. Their leaders were very young and inexperienced so they were no where near ready to lead a revolt against the Germans. Although soon after the deportations are over in September, 1942 the ZOB established contact with the Polish resistance forces who help provide training to get them ready to
