Original sentence: The massacre is typically ascribed to these groups; participation in the events of Deir Yassin by the more mainstream Jewish Haganah (Defense) organization (the nucleus of the soon-to-be Israeli Army) appears to have been mostly limited to a brief but decisive assisting role in the military takeover of the town and some later intervention to inhibit further actions by the Irgun and Lehi, secure the location, and bury the bodies of the dead villagers
Edited sentence: The massacre is typically ascribed to these groups; participation in the events of Deir Yassin by the more mainstream Jewish Haganah (Defense) organization (the nucleus of the soon-to-be Israeli Army) appears to have been mostly limited to a brief but decisive assisting role in the military takeover of the town and some later intervention to inhibit atrocities, secure the location, and bury the bodies of the dead villagers