What did you want us to answer
The WPB or War Production Board set the products that would be needed for war and they determined their pricing.
So I agree with you, the answer is A.
But I must admit I was a bit iffy between A and D but I'd still say that A is a better choice.
Hope this helped
Personally I’d say classmate of different genders. They all come from different families, they have a different gender, and race.
The Supreme Court can declare presidential acts unconstitutional.
Just trying to get points hope you find the answer