Give least three examples of the power of the muckrakers of the late 19th century and early 20th century

As a result of the efforts of muckrakers, child labor laws were rewritten, food and
medicine were protected for consumers, rules for fair business practices were established, unions were established, and political corruption was revealed. In a certain sense, they were promoting a more progressive society and the reduction if possible of political corruption.

Ibelieve it would be homer plessy