What was the key challenge faced by the allies during world war ii?

The war was fought over multiple fronts. A multiple front war created a huge demand for wartime supplies and resources. The demand for men and supplies on all fronts challenged the resources of the allies of the United states and it was the key challenge they faced.

Explanation:

War was fought on multiple fronts.

Explanation:

I just got this question right on FLVS. For me, it was D not sure if it's the same for everyone. Good luck!

the answer is to stop cheating on plato

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