Respuesta :
The answer is D, Setting prices for key war materials such as steel, iron, and rubber. I hope this helps!
The correct answer is:
Setting prices for key war materials such as steel, iron, and rubber.
Explanation:
The War Industries Board was one of the first federal agencies; created on July,1917 during World War I, to coordinate production (the agency could indicate companies how much product to produce), prices (the agency had the power to fix prices) and purchases of war materials such as steel, iron and rubber.