Newspaper and magazine writers who exposed the ills of industrial and urban life, fueling the progressive movement, were known as: a. freelancers. b. muckrakers. c. yellow journalists. d. trustees. e. social reformers.

Option E, these journalists, and writers were known as social reformers because they supported the progressive movement that was an alliance with leftist tendencies and social manifestations that sought to defend the social idea to change neoliberal politics and support revolutionary efforts to transform the concept of democracy.