Treat your enemy as subhumans ---- as the Axis regarded its Slav and Chinese opponents and as the Allies regarded the Japanese.
Regard many of your allies and colonies' citizens as not much better.
Combine that with regarding your national own working class in almost as dismissive terms.
All this certainly widens the scope of what the people who ran WWII from the top regarded as aspects of 'the natural world', rather than beings fully civilized humans like themselves.
So when I say that Nature bowled last, Nature's bowling could run a very wide gamut indeed .
Regard many of your allies and colonies' citizens as not much better.
Combine that with regarding your national own working class in almost as dismissive terms.
All this certainly widens the scope of what the people who ran WWII from the top regarded as aspects of 'the natural world', rather than beings fully civilized humans like themselves.
So when I say that Nature bowled last, Nature's bowling could run a very wide gamut indeed .