"Related to "revanchism", the belligerent will to take revenge against Germany and retake control of Alsace-Lorraine, nationalism could then be sometimes opposed to imperialism.In the 1880s, a debate thus opposed those who opposed the "colonial lobby", such as radical Georges Clemenceau, who declared that colonialism diverted France from the "blue line of the Vosges" (referring to Alsace-Lorraine), socialist Jean Jaurès and nationalist Maurice Barrès, against Moderate Republican Jules Ferry, republican Léon Gambetta and Eugène Etienne, the president of the parliamentary colonial group.