The internal conflicts of the socialist movement before 1914 grew out of the antagonism between orthodox Marxists and reformist Socialists, or were at least closely related to that antagonism, as for instance the conflict between the labor unions and the party leadership in Germany in 1905–6. This running battle of pre-war days, which set the scene for the splitting of the movement during the first World War, reached its most spectacular expression in Germany in Bebel's attack on the Revisionists at the Dresden party convention of 1903. But the conflict unfolded first in France, and it was in France rather than in Germany that the fundamental issues were posited most clearly. In 1882, nine years before Georg von Vollmar in his “Eldorado” addresses in Munich started the revolt of the German Revisionists and fourteen years before Eduard Bernstein in his “Evolutionary Socialism” published the first comprehensive exposition of Revisionist ideas, Paul Brousse broke with the Marxist leaders, Jules Guesde and Paul Lafargue, whom he forced out of the Fédération des travailleurs socialistes de France, thus transforming the latter into a Possibilist party, whereas the expelled Marxists formed the Parti ouvrier. Even the debates at Dresden – and subsequently at the International Socialist Congress at Amsterdam – developed from a French issue – namely, the acceptance of a position in a liberal cabinet by the French reformist, Alexandre Millerand.