 Complete the following phrase:  The Brazilian Communist Party , originally the Communist Party of Brazil , is a political party in Brazil founded in 1922 which makes the disputed claim of being the oldest political party still active in the nation. It played an important role in the countrys 20th-century history despite the relatively small number of members. A factional dispute led to the formation of PCdoB Communist Party of Brazil in the 1960s, though both communist parties were united in opposition to the Brazilian military government that ruled from 1964 to 1985. But with the 