Workers' Cause Party

Brazil

Workers' Cause Party (Portuguese: Partido da Causa Operária, PCO) is a political party in Brazil. Its origins can be traced back to 1978. On that year, several Trotskyist activists who were not satisfied with the socialist international[clarification needed] united under the name Tendência Trotskista do Brasil (Brazilian Trotskyist Tendency, TTB). However, it was only established in 1995.