Parties holding majority of seats and some holding minority of seats began Process_start to use Using boycotts or threats of boycotts which increased Cause_change_of_position_on_a_scale division and suppressed Control relevant debates by removing them from the congressional agenda ; voting to declare Expressing_publicly sharia law and establishing a special committee to `` review all existing laws to guarantee they comply with Islamic law '' ; imposing gender segregation and compulsory hijab at Libyan universities ; and refusing to hold Hold new elections Choosing when its electoral mandate expired Process_end in January 2014 until General Khalifa Haftar launched a large-scale military offensive against the Islamists in May 2014 , code-named Operation Dignity ( ; 'Amaliyat al-Karamah ) .