International audienceStarting War of France in the summer of 1939 was accompanied by a restriction of freedoms and banning the Communist Party, following the signing of the Molotov-Ribbentrop Pact on August 23, 1939. At the union level, this policy results excluding communist unionists and the dissolution of more than 600 unions. Until the fall of the Republic, the union action is divided between a legal unionism and forced into hiding unionism. The advent of the Etat Français will complete reconfiguring the social landscape. Indeed, after the dissolution of all union centers by Vichy, a final split occurs among legal union between those who agree to cooperate with the new regime and those who refuse and join activists into underground mov...