The Chinese Nationalists Party was led by Generalissimo Chiang Kai-Shek . He made huge fortress in Shanghai in 1936. General Alexander von Falkenhausen of Nazis taught Chiang how to make the fortress. Chiang's strategy was to kill working Japanese people in Shanghai in 1937, and was to lure main Japanese army into Shanghai from Japan. He was convinced that he could exterminate the main Japanese army at the fortress. Therefore he began Japanese-Sino War2 on　Aug 13th,1937.