"Anarchism had belonged to the most active resistance fighters against , and their numbers had been decimated by the ruthless National Socialist persecution. Between 1919 and 1923 there had been approximately 1500,000 anarchists in . By the end of the Weimar Republic, about 50,000 activists remained. In 1945 their numbers were down to 15,000, and many of those were seriously ill as consequence of torture and persecution. Hence, anarchist groups in the immediate post-war period had no more than about 5,000 members."