Complex sentence: First and foremost, Bhutto supervised the successful promulgation of 1973 constitution that validated the parliamentary democracy in the country; the establishment of Joint Chiefs (as well Joint Strategic Forces Command), reorganization of the military, special forces and chain of commands in the military.
Split into simpler sentences: First and foremost, Bhutto supervised the successful promulgation of 1973 constitution that validated the parliamentary democracy in the country. The establishment of Joint Chiefs of Staff Committee (as well Joint Strategic Forces Command), reorganization of the military, special forces and chain of commands in the military.