What is the fine-grained topic of the following text: Political pop art appeared in the 1980s and 1990s after the long closed period of China and became the most popular art expression, which met the Western capitalist society’s curiosity of exploring unknown mystery under Chinese political form like a man being eager to lift a girl’s thin veil. Only return the topic.
The Emergence and Popularity of Political Pop Art in China in the 1980s and 1990s