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 Argentine claims in the Falkland Islands sovereignty dispute. British Prime minister David Cameron rejected her comments. Relations were also strained by recent oil explorations in the area, and Kirchner threatened to sue Rockhopper Exploration for it. The Falkland Islands celebrated a sovereignty referendum in 2013, where 99.8% voted to remain a British territory, with only three votes against. Kirchner ignored the referendum. When Archbishop Jorge Bergoglio was elected as Pope Francis, the initial reactions were mixed. Most of Argentine society cheered it, but the pro-government newspaper "Página/12" published renewed allegations about the Dirty War, and the president of the National