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 president, and automatically assumed the presidency on his death. The transition from Néstor Kirchner to Cristina Fernández de Kirchner was also the first time a democratic head of state was replaced by their spouse without the death of either. He remained highly influential during his wife's term, supervising the economy and leading the PJ. Their marriage has been compared with those of Juan and Eva Perón and Bill and Hillary Clinton. Media observers suspected that Mr. Kirchner stepped down as president to circumvent the term limit, swapping roles with his wife. When Néstor Kirchner refused to run for re-election in