Research on the historical evolution of American policy on Ryukyu 并列题名：Research on the historical evolution of American policy on Ryukyu Research on the historical evolution of identity politics research on the historical evolution of overseas Chinese teachers in Malaysia 并列题名：Research on the historical evolution of identity politics research on the historical transmutation of the domination of confucianism Research on the historical evolution and deepening reform of china's taxation system research on the historical evolution of the revolutionary spirit of the communist party of China research on the basis of evolution of international monetary system research on the history and development of urban space and architecture in Xiamen