What was an effect of the Japanese actions in China in the 1930's?

The Japanese actions in China during the 1930s, particularly the invasion of Manchuria in 1931 and the subsequent Second Sino-Japanese War starting in 1937, led to widespread devastation and loss of life in China. These aggressive military campaigns resulted in significant civilian casualties, including the infamous Nanjing Massacre, where hundreds of thousands of Chinese were killed. Additionally, Japan's actions intensified anti-Japanese sentiment in China and contributed to the eventual unification of Chinese nationalist forces against foreign aggression. The conflict also had far-reaching implications, escalating tensions in the region and setting the stage for further military confrontations in World War II.