Journalists and writers known as 'muckrakers,' such as Upton Sinclair and Ida Tarbell, played a key role in exposing social and political corruption during which historical era?

The correct answer to the question "Journalists and writers known as 'muckrakers,' such as Upton Sinclair and Ida Tarbell, played a key role in exposing social and political corruption during which historical era?" is Option C: The Progressive Era.

The other options — A) The Antebellum Period, B) The Gilded Age, D) The Roaring Twenties — are incorrect for this GED Exam Prep question. As explained above: Muckrakers were investigative journalists during the Progressive Era (early 20th century) who exposed societal problems like corporate corruption, industrial abuses, and political machines, prompting…