Q:Information: - The Portuguese legislative election of 1983 took place on 25 April . The last election , in October 1980 had been won by a right - wing coalition , the Democratic Alliance and Francisco Sa Carneiro had retained office as Prime Minister with an increased majority . However , Sa Carneiro , along with other important members of the coalition , died in an aircrash only two months after the election , on 5 December 1980 . Such happenings caused a massive political instability and Francisco Pinto Balsemao , a senior official of the Social Democratic Party , the largest party in the Alliance , became Prime Minister . But Balsemao lacked support from such senior members of his party as Anibal Cavaco Silva , and several ministers resigned . Moreover , the right - wing policy was criticized by the left - wing and by the trade unions , and in February , the General Confederation of the Portuguese Workers , with the support of the Communists , called for a general strike that shook the government . The wave of resignations among Balsemao 's ministers continued and by the end of the year , he also resigned . Because no one inside the Social Democratic Party accepted the office of Prime Minister , the President Ramalho Eanes dissolved the Parliament and called an election for April . The election was won by the Socialist Party with 36 % , and Mario Soares was nominated Prime Minister . However , the Socialists lacked a majority in the Assembly of the Republic and were forced to form a coalition with the Social Democrats , in what was called the '' Central Block '' . Although this coalition allowed Soares to govern , several members of both parties were against it , and internal attacks led to the collapse of the coalition after less than two years . In the election that followed , the Communist - dominated United People Alliance lost 3 MPs and the Democratic and Social Center , after the dissolution of the Democratic Alliance , was now alone in the Parliament with 30 MPs , a loss of 16 . The election marked the beginning... - Francisco Jose Pereira Pinto Balsemao (born 1 September 1937 in Lisbon), is a Portuguese businessman, former journalist and retired politician, who served as Prime Minister of Portugal, from 1981 to 1983. - The President of the Portuguese Republic is the executive head of state of Portugal. The powers, functions and duties of prior presidential offices, and their relation with the Prime Minister and cabinets has over time differed with the various Portuguese constitutions. - A trade union (British EnglishAustralian EnglishNew Zealand EnglishSouth African English / Caribbean English; also trades union), labour union (Canadian English), or labor union (American English) is an organization of workers who have come together to achieve common goals such as protecting the integrity of its trade, improving safety standards, achieving higher pay and benefits such as health care and retirement, increasing the number of employees an employer assigns to complete the work, and better working conditions. The trade union, through its leadership, bargains with the employer on behalf of union members (rank and file members) and negotiates labour contracts (collective bargaining) with employers. The most common purpose of these associations or unions is "maintaining or improving the conditions of their employment". This may include the negotiation of wages, work rules, complaint procedures, rules governing hiring, firing and promotion of workers, benefits, workplace safety and policies. - Prime Minister (Portuguese: "Primeiro-Ministro") is the current title of the head of government of Portugal. As head of government, the Prime Minister coordinates the actions of ministers, represents the Government of Portugal to the other bodies of state, is accountable to Parliament and keeps the President informed. The Prime Minister can hold the role of head of government with the portfolio of one or more ministries. - The National Salvation Junta "(Junta de Salvacao Nacional," ) was a group of military officers designated to maintain the government of Portugal in April 1974, after the Carnation Revolution had overthrown the "Estado Novo" dictatorial regime. This junta functioned between 1974 and 1975, following a communique of its president, Antonio de Spinola, at 1:30 a.m. on 26 April 1974. - The General Confederation of the Portuguese Workers (Portuguese: Confederacao Geral dos Trabalhadores Portugueses or CGTP) is the largest trade union federation in Portugal. It was founded informally in 1970, emerged publicly after the Carnation Revolution in 1974 and was legalised the following year by the National Salvation Junta. - The European Union (EU) is a political and economic union of member states that are located primarily in Europe. It has an area of , and an estimated population of over 510 million. The EU has developed an internal single market through a standardised system of laws that apply in all member states. EU policies aim to ensure the free movement of people, goods, services, and capital within the internal market, enact legislation in justice and home affairs, and maintain common policies on trade, agriculture, fisheries, and regional development. Within the Schengen Area, passport controls have been abolished. A monetary union was established in 1999 and came into full force in 2002, and is composed of 19 EU member states which use the euro currency. - Anibal Antonio Cavaco Silva, GCC, GColL (born 15 July 1939), was the 19th President of Portugal, in office from 9 March 2006 to 9 March 2016. He had been previously Prime Minister of Portugal from 6 November 1985 to 28 October 1995. His tenure of ten years was the longest of any prime minister since Salazar, and he was the first Portuguese prime minister to win an absolute parliamentary majority under the current constitutional system. He is best known for leading Portugal into the European Union. What entity does 'portuguese legislative election' has the relation 'office contested' with?
A:
prime minister of portugal