To understand the importance of this event go, before anything else, examine the context of the times that the incident occurred. Since 1931, Japan had maintained an aggressive policy towards China. In 1937, he began a large-scale war between the two countries resulting in a full-scale invasion of Chinese territory, by Japanese forces. With the rise of Japanese moral ambition and confidence have taken over the minds of Japanese leaders . Thus, the Japanese war production increased further with the construction of aircraft, aircraft carriers and other war materials, already preparing a large-scale war. The U.S. sent a small fighting force in support of China. The "Flying Tigers". Also, cut oil supplies to the Japanese steel and hurting their operations against China. This was just one reaso