"The Communist challenge to the capitalist world system also started with the Great War. The war split Social Democratic parties everywhere into prowar and antiwar camps. Some Social Democrats supported the war efforts out of a sense of obligation to the nation. But in Germany, France, Italy, and Russia, minority socialists, including the Russian Bolsheviks, condemned the fighting as a conflict between different groups of capitalists. Karl Liebknecht, the only socialist who voted against the war in the German parliament, bravely argued that “this war, which none of the peoples involved desired, was not started for the benefit of the German or of any other people. It is an imperialist war, a war for capitalist domination of world markets and for the political domination of important colonies in the interest of industrial and financial capital.” Revolutionaries such as Liebknecht and Lenin contended that soldiers, workers, and peasants had more in common with their brothers on the other side than with their superior officers and the capitalists behind the lines. The war was between robbers and thieves, for which ordinary people had to suffer. Capitalism itself produced war and would produce more wars if it was not abolished. The answer, the ultra-Left proclaimed, was a transnational form of revolution, in which soldiers turned their weapons on their own officers and embraced their comrades across the trenches."