Mensalão scandal funneled through an advertising agency owned by Marcos Valério. The investigation has since uncovered members of the Brazilian Social Democracy Party, DEM, Brazilian Democratic Movement Party and seven other political parties also involved. Many key advisers to Lula resigned, and several deputies were faced with the choice of resignation or expulsion from congress, though the president himself went on to be re-elected in 2006, and in 2010 Brazil elected his chief of staff, Dilma Rousseff, as president. Much of PT's leadership was affected in some way, with many resigning or failing to win re-election. Brazil's economy was widely perceived as
Communist Party of Brazil armed struggle against the regime before its legalization in 1988. Its most famous action in the period was the Araguaia guerrilla (1966–1974). Since 1989, PCdoB has been allied to the Workers' Party (PT) at the federal level, and, as such, it participated in the Luiz Inácio Lula da Silva administration and joined the "With the strength of the people" coalition, which elected his successor, Dilma Rousseff. In 2018, the party again allied with PT and the candidacy of Fernando Haddad. Haddad's running mate is PCdoB member Manuela d'Ávila. PCdoB publishes the newspaper "Working Class" ("Classe Operária") as well as the