Complex sentence: After the assassination of Sheikh Mujib, and the jail killings Tajuddin's wife Syeda Zohra Tajuddin helped run and maintain Awami League, and headed the Awami League from 1975 to 1981.
Split into simpler sentences: After the assassination of Sheikh Mujib, and the jail killings Zohra Tajuddin helped run and maintain Awami League. His wife Begum Zohra Tajuddin headed the Awami League from 1975 to 1981.