According to one study, the PRB has been supportive of the Lula da Silva and Rousseff presidencies “on the basis of their concern for social democracy and for eliminating inequality.”  However, later PRB started to join the new rising wave conservativism and anti-petism in Brazil and all of the PRB's deputies voted in favor of Dilma's impeachment.
According to one study, the PRB was supportive of Lula da Silva and Rousseff presidencies due to their focus on social democracy and inequality reduction. However, later the PRB shifted towards conservatism and anti-Petism, and all of its deputies voted for Dilma’s impeachment.