Answer:
D. all answers are correct.
Step-by-step explanation:
"Muckraking was used by Progressive journalists to expose the problems of industrialization and show Americans the dark side of capitalism in the hopes that it would inspire political action"
People, such as Ida B Wells would wright these journals to expose problems and spread awareness. Muckrakers were popular during the progressive era or gilded age, and these progressives wanted to rid society of political and social corruption.