What is cultural context? What does the cultural context of modern Peking Opera dramas mainly refer to?

Cultural context, I understand, is the cultural background, cultural environment, historical environment, etc. of that era. Modern Peking Opera plays should have been produced during the Revolutionary War years. We should pay attention to the difference between fashion plays since the Republic of China and modern plays that emerged in the Shaanxi-Gansu-Ningxia Border Region. I personally think that modern Peking Opera plays should not include the concept of fashion plays. So why did modern opera come into being? Answering this question from a cultural perspective is the answer to your question. You can refer to a book: "History of Modern Chinese Opera", which should be able to meet your needs.