Argentina–Spain relations were made declassified and stated that Prime Minister Margaret Thatcher feared that during the Falkland war, Spain would join Argentina by invading Gibraltar. A dispute arose in 2012, when Argentina sought to nationalize the energy company YPF, owned by the Spanish multinational company Repsol. Spain warned against such a move stating that it would harm bilateral relations if such a move were to happen. On 16 April, Argentina's President Cristina Fernández de Kirchner announced the nationalization of YPF, to which Spain warned of a "clear and decisive" response. Since then, Argentina has recompensed the Spanish government and Repsol over the
Cristina Fernández de Kirchner confided in him that she had a bipolar disorder, while she was having a violent outburst. During the United States diplomatic cables leak it was revealed that Hillary Clinton questioned Kirchner's mental health and asked the US embassy whether she was receiving treatment or not; she later apologized to Kirchner for those leaks. Kirchner said in her book "La Presidenta" that it was all a misunderstanding; it is her sister who suffers from bipolar disorder. On 27 December 2011, presidential spokesman Alfredo Scoccimaro announced that Kirchner had been diagnosed with thyroid cancer on 22 December and that she would undergo