抄録
1 Introduction i Nagai's background ii Whereabouts of the problem 2 Measure against the problem of the Chinese Continent after the Manchurian Incident era i Washington system era ii Manchurian Incident era iii after Manchurian Incident era iv Japan-Chinese War era 3 Logic of the co-operation with China and Nagai's outlook on the international relations i Necessary reason of the co-operation with China for Japan ii Reason of the partnership with China for Japan 4 Canvass to Chinese for co-operation with Japan and the international cognition gap between Nagai and Chinese side i Necessary reason of the co-operation with Japan for China ii Reason of the partnership with Japan for China iii International cognition gap between Nagai and Chinese side 5 Conclusion
