Original sentence: During the colonial period, Japan significantly developed the infrastructure and industry of Korea, using the peninsula as a source of raw materials such as timber and minerals, and integrating the Korean labor force into the Japanese economy.His administration was responsible for the Jeju massacre, which slaughtered between 30,000 to 80,000 South Korean citizens.Numerous Korean cultural artifacts were destroyed or taken to Japan.One investigation by the South Korea government identified 75,311 cultural assets that were taken from Korea, 34,369 of which are in Japan, and 17,803 of which are in the United States.The rule of Syngman Rhee was fiercely anti-Communist.Traditional Korean culture was suppressed
Edited sentence: , and traditional Korean culture suffered heavy losses by the modern culture that Japan had introduced.According to the investigation of the South Korea government, There are 75,311 cultural assets that were taken from Korea.For more than 30 years under the Japanese occupation, To make a Korean peninsula a Asia front base, Japan did an enormous investment to a Korean peninsula.He ordered the Jeju massacre, which slaughtered between 30,000 to 80,000 South Korean citizens.Infrastructure of a Korean peninsula has developed very much.Japan has 34,369, The United States has 17,803.Numerous Korean cultural artifacts were numbered and managed(This numbering system has been left in South Korea), destroyed or taken to Japan.The rule of Syngman Rhee was more brutal than Japanese occupation.Therefore, A lot of Korean capitalists were born by the modernization of Japan.destroyed or taken to Japan