He was one of the founders of the Southern Sudan Federal Party (SSFP) in 1957, which competed in the Sudanese parliamentary election in 1958.
[2] Father Saturnino Lohure Hilangi was another founder of the Southern Sudan Federal Party (SSFP), which beat the Liberals and won forty seats in the parliamentary elections held in February and March 1958.
Sirr al-Katim al-Khalifa was appointed prime minister, with three southerners in his cabinet: Ezbon Mondiri Gwanza, Clement Mboro and Gordon Muortat Mayen.
In March 1965 the front nominated three senior members to take part in the caretaker cabinet: Clement Mboro Bekobo for Interior, Hilary Paul Logali for works and Gordon Muortat Mayen for communications, replacing Ezboni Mondiri.
[8] In June 1965 Joseph Oduho and his supporters defected from the Sudan African National Union (SANU) and formed a new secessionist organization called the "Azania Liberation Front" (ALF).
[10] Dr. Mansour Khalid, Minister of Foreign Affairs, signed on behalf of the Sudan government.
[11] The agreement gave southern Sudanese religious rights and autonomy within a federal structure for the unified Sudan.