General, thanks for the chance to refine my original assertion in the following way: Resources may have been a large factor in these wars, but not until the wars were already underway. The three leaders I mentioned did not start their aggressive wars because of a desire for resources.
I'm open to evidence to the contrary.
2nd treaty of versailles required germany to pay war reparations to france, to the extent that it bankrupted the weimarer republic, and led to hitler's rise to power. Ipso facto, WWII was started to prevent a LOSS of resources.