The Partido dos Trabalhadores (PT - Workers’ Party) has played an important role during decisive moments of Brazilian history. This article offers a critical overview of the party’s responsibility for maintaining the Brazilian capitalist regime.

On July 6, 739 members of the PSTU (Partido Socialista dos Trabalhadores Unificados, United Socialist Workers' Party), one of the largest left parties in Brazil, announced they were leaving the PSTU.