Final answer:
The muckrakers inspired progressive reformers to advocate for workers' rights and social reforms. The muckrakers brought attention to issues such as child labor, anti-trust, and health and safety through their articles and books.
Step-by-step explanation:
The muckrakers, a group of journalists and writers who exposed problems in American society, inspired progressive reformers to advocate for workers' rights and social reforms. The muckrakers brought attention to issues such as child labor, anti-trust, and health and safety through their articles and books. Their work encouraged progressive activists to take up these causes and push for legislative changes to address the problems.