Answer:
Muckrakers were the investigators and writers of the Progressive period (1890-1920) who wrote against injustice and corruption.
Step-by-step explanation:
Muckrakers were American reporters and writers who wrote about the poor, and about the horrible corrupted condition of American society during 1890-1920.
Theodore Roosevelt in 1906 fabricated the term “muckrakers” for the first time. Some of the muckrakers or journalists were – Jacob Riis, Upton Sinclair, Ida Wells and many more who published their writings in magazines like- Cosmopolitan and McClure’s.
They faced several challenges in order to bring about a change in society through their works.