Was FAUD:- [b]bAAUD in ... january, february or april?)
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April 1920, see http://libcom.org/library/origins-movement-workers-councils-1
you might also want to read this thread which doesn''t directly answer your questions but covers the same ground.





Was FAUD:
- based on craft union organisation? (Since it stems from FVdG; FAU was formed by merger of left communist factory groups and local sections of FVdG in Wesphalia and Rhineland by september 1919, and it bacame FAUD in december that year, merging all FVdG unions while left communist groups left to form AAUD in ... january, february or april?)
- taking part in legal workers' councils? (Organised by other unions and accepted by the bosses.)