2. Japan signed an unconditional surrender letter on 1945.8. 15, and included the return of islands such as Penghu Islands in Taiwan Province Province in the treaty of shimonoseki (now we strive to say that Taiwan Province Province and Curie in the United States are China according to this treaty).
3. Including partial compensation that was later rejected by Zhou Enlai. Japan's interest-free loan to China stopped several years ago, because China is rich and Japan is unwilling to give it.