 Complete the following phrase:  Despite the failure to bring the various parties together into a single congress, each faction would hold its own conferences during the war. The German, Austrian, and Hungarian pro-war parties successfully met at the Vienna Socialist Conference of 1915. The pro-war parties in the allied powers successfully met four times at the Inter-Allied Socialist Conferences of World War I. Anti-war parties first met as representatives from the neutral countries at the Neutral Socialist Conferences during the First World War, then as part of the 