Nationalization of oil supplies In April 2010, Argentina's president Cristina Fernández de Kirchner introduced a bill on April 16, 2012, for the expropriation of YPF, the nation's largest energy firm. The state would purchase a 51% share, with the national government controlling 51% of this package and ten provincial governments receiving the remaining 49%. Investment in exploration at YPF as a percentage of profits had been far below those in most other Repsol subsidiaries, and declines in output at the firm represented 54% of the nation's lost oil production and 97% in the case of natural gas. Market analysts and Repsol blamed the decline
Cristina Fernández de Kirchner opposed to the Kirchners. The Kirchners lost the majority of Congress as a result of the election. The Front for Victory recovered the majority in both chambers of the Congress during the 2011 presidential elections, when Cristina Kirchner was re-elected for a second term. The party had projects to amend the constitution and allow indefinite reelections, but lacked the supermajority required for it. A victory at the 2013 midterm elections would have given such majority, but the party was defeated in most provinces. Sergio Massa, a former cabinet minister of the Kirchners, won in the Buenos Aires Province by nearly