What effect does war have on production? Decrease
Increase
Changes to foreign trade only
Stays the same

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

Really hope this helps :)

The answer is option a. boundary line drawn by pope alexander iv in 1493.