It increases as they need to ship supplies to the army for medical uses or ammo such like. They need to rapidly produce weapons and ammo so that they can continue to fight on. Medicine such as penicillin was mass produced as it stopped infection rate so the mass production of that drug helped in ww2
Increase, if you’re to prepare for something, your gonna wanna be able to have the supplies to solve it, which puts a demand for it, when there’s a demand for it, more has to be made in “production”
