In the twentieth century muckraking journalism developed mostly in response to?

In the twentieth century, muckraking journalism developed largely in response to the social and political issues arising from rapid industrialization, urbanization, and corruption in government and business. Journalists sought to expose injustices, corruption, and abuses of power, aiming to inform the public and spark reform. Prominent muckrakers like Upton Sinclair and Ida Tarbell highlighted issues such as labor exploitation, monopolistic practices, and food safety, ultimately influencing public opinion and policy changes. This investigative approach aimed to promote accountability and social justice during a time of significant upheaval in American society.