Northeast China, a major battle in War of Resistance against Japanese Aggression.
First of all, the unique geographical and geopolitical situation in the northeast of China determines that it has been an arena for major political forces in East Asia and North Asia since ancient times. Secondly, Japan's national conditions led to its long-term covet of Northeast China. Japan, consisting of more than 6,000 islands, as a "rag floating on the sea", is attacked by typhoons, earthquakes and tsunamis at any time. Its small area, lack of resources and limited arable land. The northeast of China, which is separated by a sea, is rich in resources and fertile in soil, and its area is three times that of Japanese. How can such fertile land not make it drool?
In the 1920s, under the management of Feng warlord Zhang and his son, the industrialization level of Northeast China surpassed that of the Yangtze River basin. Japan, which is in urgent need of the home front, is determined to win the northeast of China. Facts have also proved that after the September 18th Incident, the three northeastern provinces became the base areas and base camps for Japan's full-scale invasion of China, providing the Japanese army with a steady stream of steel, coal, food supplies and military equipment.
Japan's invasion of China is so obvious, how can it succeed easily if its plot becomes an open plan? Judging from the comparison of the strength of the Chinese and Japanese armies in Northeast China at that time, the number and equipment of the Northeast Army were far superior to those of the Japanese Kwantung Army. How could the September 18th Incident be a failure? This is another biggest problem that people raised from various angles in the following decades.
Like the resumption of the Sino-Japanese War of 1894-1895, the decisive factor of victory or defeat should be found from the international and domestic political situation of China and Japan at that time. The international environment at that time was: the economic crisis after World War I and the global economy shrank. The national strength of the old capitalist countries has declined, and their control over China has weakened. In China, however, the warlords are separated, the domestic factions are messy and infighting constantly, and they are unwilling to confront the powers directly. Chiang Kai-shek, chairman of the National Government, wrote the word "revenge" many times in his diary after the September 18th Incident, but he still chose the latter between "foreign aggression" and "security" and allowed Japan to occupy the three northeastern provinces.
Liu Changjiang, a researcher at the "September 18th" History Museum in Shenyang, summed up the reasons for the fall of Northeast China several months after the September 18th Incident in three sentences: "The warlord melee created conditions for bandits to invade, and the national government's non-resistance policy destroyed the great rivers and mountains of the motherland, and the respective trends of the Chinese and Japanese governments led to this disaster.