Anarchism and Marxism are similar political philosophies which emerged in the nineteenth century. While anarchism and Marxism are both complex movements with their own internal conflicts, as ideological movements their primary attention has been on human liberation achieved through political action. Similarly, both have been intensely interested in abolishing social inequalities present in societies as a result of wage labour and the Industrial Revolution. In their most socially significant forms, both movements have been revolutionary, and have focused on the working class as the agent of revolution. As working class movements Marxism and anarchism have been sometimes allied and sometimes opposed groups. In particular revolutions there has been significant armed conflict between Marxist a