The main theses is, what kind of armed conflicts was the Imperial Japanese Army prepared before outbreak of the Sino-Japanese incident 1937. Apart from any popular propaganda, you can focus upon the logistics bases.
The conclusion is that, the only they were ready for response were, the small border conflicts between Manchuria and Russia, and half year security campaigns in Mainland China.
And they were never prepared for the large wars between the major powers.
Despite the triumph of the Russo-Japanese war, Japanese Army faced on the serious shortage of the supplies. Moreover, the WW I taught that the modern wars require the states tremendous logistic bases. But many Japanese could not recognize the necessities of the wartime industrial expansion systems embed in the peace time society and economy.
And even the Army did not recognize the new tactics in which radio system can
tune the each combat element maneuver simultaneously.
In consequence, the Japanese Army abandoned the capabilities in fighting the
modern heavy wars.
Keyword：Japanese Army, Logistics, Industrial expansion, Modern heavy wars, WW I