What is the fine-grained topic of the following text: However, Hamsun's controversial political allegiance during the 1930s and 40s had dramatic repercussions, resulting in a story of reception whose complexity and variation from one country to another serve as an illustration of how literary history is profoundly interwoven with the larger currents of culture as well as politics. Only return the topic.
The impact of Hamsun's political affiliations on his literary reception and history.