Minister, in turn, appoints the Council of Ministers, whose number may not exceed a quarter of the number of parliamentary representatives. The Prime Minister and the Council of Ministers constitute the executive government. The Parliament of Vanuatu is unicameral and has 52 members, who are elected by popular vote every four years unless earlier dissolved by a majority vote of a three-quarters quorum or by a directive from the President on the advice of the Prime Minister. Forty-four of these MPs are elected through Single non-transferable voting; eight are elected through single-member plurality. The national Council of Chiefs, called the Malvatu Mauri and elected by district councils of chiefs, advises the government on all matters concerning ni-Vanuatu culture and language. Besides national authorities and figures, Vanuatu also has high-placed people at the village level. Chiefs continue to be the leading figures at the village level. It has been reported that even politicians need to oblige them. One becomes such a figure by holding a number of lavish feasts (each feast allowing them a higher ceremonial grade) or alternatively through inheritance (the latter only in Polynesian-influenced villages). In northern Vanuatu, feasts are graded through the nimangki-system. Government and society in Vanuatu tend to divide along linguistic French and English lines. Forming coalition governments has proved problematic at times, owing to differences between English and French speakers. Francophone politicians like those of the Union of Moderate Parties tend to be conservative and support neo-liberal policies, as well as closer relations with France and the West. The anglophone Vanua'aku Pati identifies as socialist and anti-colonial. The Supreme Court consists of a chief justice and up to three other judges. Two or more members of this court may constitute a Court of Appeal. Magistrate courts handle most routine legal matters. The legal system is based on British common law and French civil law. The constitution also provides for the establishment of village or island courts presided over by chiefs to deal with questions of customary law. Squatting occurs and the principle of adverse possession does not exist. Foreign relations Vanuatu has joined the Asian Development Bank, the World Bank, the International Monetary Fund, the Agence de Coopération Culturelle et Technique, la Francophonie and the Commonwealth of Nations. Since 1980, Australia, the United Kingdom, France and New Zealand have provided the bulk of Vanuatu's development aid. Direct aid from the UK to Vanuatu ceased in