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
Cristina Fernández de Kirchner for a time, and Venezuela was incorporated into the Mercosur. She maintained her support of Venezuela even during the large 2014 Venezuela protests and the imprisonment of its leader, Leopoldo López. Kirchner had a rocky relationship with the United States. Several items from a US air force plane, such as drugs and GPS devices, were seized by Argentine officials, which caused a diplomatic crisis. US State Department spokesman Philip J. Crowley said that they were standard tools used in counter-terrorism tactics which were being taught to the Argentine police during the joint operation, and asked for the return of the