Iscussion about a book called ministry of fear

The paper should address the reading supported by the lecture material.The book is called Ministry of fear by Graham Greene. There are two questions that can be answered. The first question:What role does the relationship between Arthur and Anna play? OR Who is the enemy in the novel?
The lecture was about the second world war 1940-1945 focusing on Hitler and Stalin from the soviet union
No sources needed or a title just a single spaced page with all writing. The paper should start with the thesis and the rest of it explaining the thesis in details and the conclusion should be a question like a concluding thought.