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!

a.tensions between the colonial elites and the backcountry men of virginia.

yes

explanation:

the fighting words doctrine, in united states constitutional law, is a limitation to freedom of speech as protected by the first amendment to the united states constitution. in 1942, the u.s. supreme court established the doctrine by a 9–0 decision in chaplinsky v. new hampshire.