Group 1 - The Japanese military established various schools in Hainan to implement indoctrination education, aiming to weaken the Chinese people's resistance against Japanese invasion through cultural invasion [3] - By 1940, the Japanese had set up 73 Japanese language schools across Hainan, enrolling over 4,000 students, including a notable school in Haikou with 430 students [3] - The Japanese military also created the Qiongya Overseas Chinese Association in 1940 to attract remittances from overseas Chinese, which published the Qiongqiao Daily to promote their agenda [4] Group 2 - The Japanese occupation led to significant destruction of existing educational institutions in Haikou, with many schools forced to close or suspend classes [3] - A series of newspapers and publications were launched by the Japanese to justify their occupation, including the Hainan News and Hainan Xunbao, which aimed to promote the legitimacy of their actions [4][5] - The Hainan Island magazine, established in 1941, became the longest-running and most widely circulated Japanese publication during the occupation, focusing on promoting the development of Hainan [5]