Answer:
Japan invaded Manchuria in 1931 and in 1937 Japanese troops massacred The Chinese city of Nanking
Explanation:
The Nanjing Massacre started on December 13, 1937, when the Japanese Imperial troops captured Nanjing, and commited mass murder and r.ape* against the people of Nanking, and it went on for a period of six weeks. There isn't an actual record on the killings since most Japanese military records were kept secret or destroyed after Japan's surrender in World War II in 1945, but according to estimates, over 200,000 Chinese people were killed, and Chinese ofccicialñs even put that number as high as 300,000 killed.
*I had to spell r.ape thi way as brainly marks it as an inappropriate word.
