 Complete the following phrase:  Following the November 1918 Armistice with Germany, Dadas evolution was marked by political developments. In October 1919, Tzara, Arp and Otto Flake began publishing Der Zeltweg, a journal aimed at further popularizing Dada in a post-war world were the borders were again accessible. Richter, who admits that the magazine was rather tame, also notes that Tzara and his colleagues were dealing with the impact of communist revolutions, in particular the October Revolution and the 