Pathet Lao
After elections in December 1955, Souvanna Phouma returned to the prime ministership on a platform of national reconciliation. In August 1956 Souvanna and the Communist Pathet Lao, which his half-brother Souphanouvong headed agreed on broad proposals for a 'government of national union'. Elections for 21 extra assembly seats were finally held in May 1958, with parties aligned with the Pathet Lao acquiring 13. Souphanouvong entered the government as Economic Minister. Another Pathet Lao leader, Phoumi Vongvichit, also acquired a Ministry.