Cristina Fernández de Kirchner in the 2000s. This group included, among others, Néstor and Cristina Kirchner in Argentina, Hugo Chávez and Nicolás Maduro in Venezuela, Luiz Inácio Lula da Silva and Dilma Rousseff in Brazil, Evo Morales in Bolivia and Rafael Correa in Ecuador. Kirchner has been an unconditional supporter of Chávez and Maduro. As Paraguay rejected the incorporation of Venezuela into the Mercosur trade bloc, she took advantage of the impeachment of Fernando Lugo to claim that Paraguay had suffered a coup d'état and proposed to temporarily remove the country from the bloc. With the support of the other presidents, Paraguay was removed
Cristina Fernández de Kirchner opted instead to send a bill to Congress for the renationalization of YPF, privatized in 1993, blaming the Spanish company Repsol for the energy trade deficit. The bill was approved by the Chamber of Deputies by a 207-32 margin. It was criticized as an authoritarian move, as there was no negotiation with Repsol. As well, the Vaca Muerta oil field had been discovered by this time. However, YPF was unable to afford the costs to exploit the oil at the site, and the rights to drill at Vaca Muerta were sold to the Chevron Corporation. The costs of energy imports