| Acknowledgements | 第1-3页 |
| Abstract | 第3-4页 |
| 摘要 | 第4-6页 |
| Introduction | 第6-11页 |
| Chapter Ⅰ The Progressive Era: The Great Age of Reform | 第11-19页 |
| ·Reasons for the Occurrence of Progressivism | 第11-17页 |
| ·Accumulation of Social Problems in a Transitional Society | 第12-13页 |
| ·Theoretical Foundation of Progressivism and the Driving Forces Behind It | 第13-17页 |
| ·Main Goals of Progressive Reforms | 第17-19页 |
| Chapter Ⅱ Muckraking Journalism | 第19-32页 |
| ·Background | 第20-27页 |
| ·The Tide of Realism and Popularity of Novels Reflecting Reality | 第20-23页 |
| ·Changes in Journalism and a Universal Education Policy | 第23-27页 |
| ·The Development of Muckraking Journalism | 第27-32页 |
| ·The Tradition of Investigative Journalism | 第27-29页 |
| ·The Heyday and Decline of Muckraking Journalism | 第29-32页 |
| Chapter Ⅲ Muckraking and Progressive Reforms | 第32-41页 |
| ·Content of Progressive Reforms | 第32-34页 |
| ·The Efforts of the Muckrakers in Pushing Forward Progressive Reforms | 第34-41页 |
| Chapter Ⅳ Upton Sinclair’s The Jungle and its Impacts | 第41-48页 |
| ·Upton Sinclair and The Jungle | 第41-43页 |
| ·Social Background of the Novel | 第41-42页 |
| ·Publication of the Novel | 第42-43页 |
| ·The Jungle and Its Impacts | 第43-48页 |
| ·Main Subject and the Author’s Intention | 第44-46页 |
| ·The Passage of The Meat Inspection Act and The Pure Food and Drug Act | 第46-48页 |
| Conclusion | 第48-51页 |
| Bibliography | 第51-55页 |
| Appendix | 第55-58页 |
| 附件 | 第58页 |
