Which of the following statements about post-modernism in historiography is/are correct?

1. Post-modernism denies the existence of any objective or universal truth in history.
2. It critiques the grand narratives of history and emphasizes the subjective interpretation of events.
3. Post-modernist historians argue that facts themselves are independent of the historian’s perspective.
4. Post-modernism has led to a greater focus on marginalized voices and micro-histories.