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

lack of funding for the war

war was fought mainly by the navy

lack of public support for the war

war was fought on multiple fronts

cornfield (filler filler filler filler ignore this filler filler)

1. i forgot 2. he was gay 3. they killed a lot of the population 6. they rode horses and had swords we have guns and tanks

i think the answer is   b.