<prompt> Ngwala tšwetšopele ya serapa se - Ka la 12 June 2008, go ile gwa swarwa referendamo mabapi le go amogelwa ga Kwano ya Lisbon. Se se ile sa fenywa ka phapano ya 46.6 go 53.4. Ka October 15, 2009, go ile gwa swarwa referendum ya bobedi  <response>: Go ile gwa swarwa ka tumelelo ya yona, yeo e ilego ya amogelwa ka 67.1 go 32.9. 