A Review of the Aggressive Activities of the Japanese Kwantung Army in Northeast China before the September 18th Incident

Japanese Kwantung Army was founded in April,1919,referring to the Japanese armies which were stationed in the Northeast China and along the Nan-man Railways after Japan-Russian War.Its development can be divided into two periods by the September 18th Incident.As the Japanese pioneer of invading China,it made a series of aggressive events successively,including collecting intelligence,suborning the traitors,overthrowing the government and destroying China's interior politics in the northeast of China.