How did World War II affect China politically and socially?

The Second
Sino-Japanese War (1937€“1945) became part of(1939€“1945). China suffered huge human and
material losses during the war. The country was divided into three regions during most of the
struggle: a Nationalist-controlled area, a Communist-controlled area, and the regions under
Japanese occupation.

The Japanese defeated often stubborn Chinese resistance
during the early stages of the war (1937€“1938). The Nanjing Massacre of Chinese
civilians...