Presidency of Cristina Fernández de Kirchner and became president after his death. The transition from Néstor Kirchner to Cristina Kirchner was also the first time when a democratic head of state was replaced by his spouse, without involving the death of any of them. Néstor Kirchner stayed active in politics despite not being the president, and worked alongside Cristina Kirchner. The press developed the term ""presidential marriage"" to make reference to both of them at once. Some political analysts compared this type of government with a diarchy. During the first days of Fernández's presidency, Argentina's relations with the United States deteriorated as a result of allegations
Presidency of Cristina Fernández de Kirchner which had been approved almost unanimously in Congress (only 3 senators opposed the law). Critics have stated that the President's attitude would threaten over 75% of the country's water reserves. Cristina Kirchner has travelled extensively as president, visiting Algeria, Brazil, Cuba, Egypt, France, Libya, Mexico, Qatar, Russia, Spain, the UK, the U.S. and Venezuela, among other nations. Following the June 28, 2009, mid-term elections, the ruling FPV's party list lost its absolute majority in both houses of Congress, shedding a further 24 seats in the Lower House (including allies) and 4 in the Senate. They lost in the four most