Abstract

The Institute of Pacific Relations was an international non-governmental organization in the Asian-Pacific region after the First World War. Chinese Institute of Pacific Relations was an intellectual group with strong liberalism color converted from a desultory organization with Christianism color. In order to investigate the practical condition of Japanese power in Northeast China from all aspects, Northeast China PTPI played an important role. At the same time, major leaders of Northeast China PTPI were present at the international Pacific academic conference, and discussed the following issues: historical origin of northeast China, foundation of treaties signed by foreign countries about their rights in northeast China, and economic interest and railway issues of big powers in northeast China, etc. At the conference, Chinese delegates made known to the world the secret of Japanese imperialism invasion in China and the world, namely, “Tanaka Memorial”.

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