D. Investigative Journalism
The reporter is going deep into the content, and actually researching details first hand, and not just writing articles. As they are investigating in depth, it is investigative journalism.
The topic represents D. Investigative Journalism, as it involves an undercover reporter researching and exposing the conditions in sweatshops. This type of journalism requires deep investigation into sensitive issues. The goal is to inform the public and advocate for change based on the findings.
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