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 united under the name Tendência Trotskista do Brasil (Brazilian Trotskyist Tendency, TTB). However, the registered party was only established in 1995. Its electoral number is 29. In 1980, this organization united itself with the newly formed Workers' Party (PT), becoming very involved in that decade's municipal and state elections, with several mayors and state representatives elected. More information...
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