How did the War Production Board play a role in coordinating American war efforts during World War II?

Question

It was the government agency that worked with corporations to produce what the military needed.

It was the agency that determined when and where troops would be dispatched.

It was the board responsible for government production of the materials needed to fight the war. <-- ?

It was the branch that coordinated efforts between the departments of state and defense.

Answer 1

Did the government produce the materials? Or was it private corporations that made the planes, bombs, tanks, guns, etc.?

http://en.wikipedia.org/wiki/War_Production_Board

Answer 2

A? it was the govermnt agency that worked with corporations to product what the military needed?

Answer 3

Yes. A.

Answer 4

Thanks for the help! i'm taking this test in 2016.