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 singing the Argentine national anthem. The city police estimated that the demonstration was attended by 400,000 people. Several scandals took place during the Kirchner administration. The first involved the detention of Venezuelan-American businessman Antonini Wilson in an airport after being found with a suitcase filled with $800,000. This money was illegally provided by Petróleos de Venezuela, the state oil company, to be used for Kirchner's 2007 general election campaign. Details of the case were explained by businessman Carlos Kauffmann and lawyer Moisés Maiónica, who pleaded guilty. The FPV financing of the 2007 elections caused another scandal years later. Three pharmaceutical