Which of these was an important challenge of fighting a two-front war for the Allies?

The Allies fought in separate theaters across Europe, North Africa, and the Pacific, so moving food, weapons, fuel, and other supplies over enormous distances was a major challenge. This makes “supplying the troops across a huge part of the globe” the best answer. Choosing generals was important, but it was not the distinctive logistical challenge of a two-front war.

AI-written and checked against the verified answer.