Artifices and artifacts between memory and History

This paper intents to discuss ideas, actions and experiences of people identified as "left" by themselves and also by their opponents, or as "new left" like proposed by some scholars to distinguish then of traditional formation communists groups (stalinists, trotskists, etc.) already operating since the 1950s or before, which have been highghted in the resistence to the military-civil dictatorship that ruled in Brazil between 1964-1985, in particular supporting strugles for better conditions of life and work, as well as for freedoms in general, leveraging for this documents produced by them which are found in personal or public funds. In particular, the text focuses on the joint lefts participation in trade unions and social movements and in civil society organizations and same in institutional instances, always disputing with liberal and populist opposition, aiming to understand the relevance or otherwise of this participation and, in special, the possible influences that al of this have taken in contemporary Brazil, once many of its members was tuned with criticism of lack independence of the subordinate classes mobilizations and organizations and with the importance of women and social minorities fights for rights, what could have given such unique characteristics to the country democratization process.