Kammala jumla mai zuwa: Kungiyoyin 'yan tawaye sun zama sanannun Black Hand ("al-kaff al-aswad"), ƙungiyar gwagwarmayar adawa da Zionist da anti-British. Tunanin irin wannan rukuni ya bayyana ya zama mai haske bayan da
Rikicin 1929. Tun daga farko, an sami rarrabuwa a ƙungiyar. Wani bangare wanda Abu Ibrahim al-Kabir ya jagoranta ya yi jayayya don kai hare-hare kai tsaye kan Burtaniya da Yahudawa, yayin da sauran bangaren, wanda al-Qassam ya jagoranta, ya yi tunanin cewa tayar da hankali da makami ya yi wuri kuma yana da haɗarin fallasa shirye-shiryen kungiyar. A cewar Subhi Yasin, abokin aikin al-Qassam, kungiyar ta kai hare-haren a arewacin kungiyar Abu Ibrahim ne a cikin rashin amincewa da al-Qassam, kodayake a shekarar 1969, Abu Ibrahim ya musanta wannan zargin. Yaƙin neman zaɓe na Black Hand ya fara ne da kwanton bauna da kashe mambobi uku na Kibbutz Yagur a ranar 11 ga Afrilu 1931, wani harin bam da aka yi a kan gidajen Yahudawa a Haifa a farkon 1932, da kuma ayyukan da yawa da suka kashe ko suka jikkata mambobi hudu na ƙauyukan Yahudawa na arewa. Yaƙin ya ƙare tare da mutuwar mahaifin Bayahude da ɗansa a Nahalal, daga bam da aka jefa a gidansu, a ranar 22 ga Disamba, 1932.