What made world war ll a total war?

World War I was a total war that involved the governments, economies and populations of participating nations to an extent never seen before in history.

American-English Dictionary defines "total war" as "[a] war that is unrestricted in terms of the weapons used, the territory or combatants involved, or the objectives pursued, especially one in which the laws of war are disregarded." ... In WWII, almost the entire world's industrial output was to make equipment for war.

Explanation:

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result of the incas claiming exclusive right over numerous traditional routes, some of which had been constructed centuries earlier mostly by the wari empire