Japan’s expanded invasion of China and the rise of the nationwide anti-Japanese and national salvation movement. Introduction: Japan’s expanded invasion of China and the rise of the nationwide anti-Japanese and national salvation movement is the fifth part of the collection. It introduces the period from the "January 28th Incident" caused by the Japanese army in 1932 to the "Xi'an Incident" on December 12, 1936, during which our anti-Japanese and national salvation movement climaxed one after another, including the "Shanghai Defense War", "Great Wall War of Resistance", "Harbin Defense Battle" and so on.