 Complete the following phrase:  By 1939 many of the Germans who had fled to Moscow as refugees for reasons of race andor political activism after 1933 had not survived the . Kurt Liebknecht did survive. Sources speculate that his cousin Wilhelm Liebknecht, the son of his Uncle Karl, intervened on his behalf. Wilhelm Liebknecht, a lawyer like his father, had lived in Moscow since 1928, intervened with the authorities on behalf of a number of family members during the later 1930s and beyond, until he himself fell under suspicion and after 