A propensity to fragmentation continued to be a feature of the Communist Party and other parties of the radical left in Germany throughout the 1920s. Following the March uprising in 1921 there were concerns that the party was being taken over by extremists who favoured moving on rapidly to a full-scale German revolution following the violent Russian Bolskevik model. In September 1921 Paul Levi, who at the start of the year had been the leader of the party, was excluded from it (and / or resigned from it), along with Ernst Däumig. Marie Wackwitz was among those who resigned from the party at the same time. According to at least one source she now sat as an independent Reichstag member while elsewhere it is stated that she now briefly became a member of Paul Levi's short-lived .