. . . there is general agreement, that some opportune remedy must be found quickly for the misery and wretchedness pressing so unjustly on the majority of the working class . . . it has come to pass that working men have been surrendered, isolated and helpless, to the hardheartedness of employers and the greed of unchecked competition. The mischief has been increased by rapacious usury, which [is] still practiced by covetous and grasping men. To this must be added that the hiring of labor and the conduct of trade are concentrated in the hands of comparatively few; so that a small number of very rich men have been able to lay upon the teeming masses of the laboring poor a yoke little better than that of slavery itself.

Who said this?
(a) Karl Marx, founder of communism (1818-1883)
(b) Jane Addams, American social reformer (1860-1935)
(c) Jacob Riis, Danish born journalist and muckraker (1849-1914)