Workers' Party (Brazil) the centre-right opposition bloc as it shrank from 133 to 111 deputies. The left-wing opposition, formed by PSOL, retained control of three seats. The party was also expected to elect its presidential candidate Dilma Rousseff in the first round. However, she was not able to receive the necessary amount of valid votes (over 50%) and a second round in which she scored 56% of the votes took place on 31 October 2010. On 1 January 2011, she was inaugurated and thus became the first female head of government ever in the history of Brazil and the first "de facto" female
Dilma Rousseff the merger, formalized in two conferences in Mongaguá, thus leading to the creation of Revolutionary Armed Vanguard Palmares (). Rousseff and Araújo attended these conferences. So did Lamarca, who thought that Rousseff was a "stuck-up intellectual" because she defended revolution through political engagement of the working class, as opposed to VPR's military-based sense of revolution. Carlos Araújo was chosen as one of the six leaders of VAR Palmares, a "political-military organization of Marxist-Leninist partisan orientation which aims to fulfill the tasks of the revolutionary war and the establishment of the working class party, in order to seize power and build